A circular bioeconomy aims to reduce waste, transform industries, and regenerate natural systems for environmentally sustainable food and energy production. The concept needs a values-based economic lens with the right policies and incentives to persuade consumers and producers.
A group of scientists and economists warn that green subsidies can have negative spillover effects and diminish overall effectiveness if not implemented cautiously. They suggest imposing time limits on subsidies to ensure they do not perpetuate harmful practices over the long term.
A new study reveals that climate experts believe the Earth is headed for a rise in global temperatures far higher than the 2015 Paris Agreement targets. Two-thirds of respondents think we may succeed in achieving net zero CO2 emissions during the second half of this century, indicating some optimism about mitigation efforts.
A new study reveals the flood insurance program's effects differ greatly among communities, with higher-population and wealthier areas benefiting more from discounts on premiums. Lower-income communities also see benefits, but only in areas with less racial and ethnic diversity, realizing a gain of about $6,000 per household.
A new study by CMCC scientists investigates how financial policies can ensure a just transition to clean energy. The research finds that fair-financing policies can reduce inequality in per-capita renewable energy generation by 2-4% and make electricity cheaper by an average of 10%.
Researchers developed a framework to measure how water systems can adjust their energy use to balance power grid supply and demand. They found that water systems could shift up to 30% of their energy use during peak demand times, leading to significant cost savings.
A new study finds that carbon capture and storage technology will struggle to meet the 1.5°C and 2°C climate targets without significant expansion. The technology can sequester up to 600 Gt of CO2 over the 21st century, but current plans may not be enough to bridge the gap.
A new study by University of Cambridge researchers highlights the disproportionate impact of energy inefficiency on low-income pensioners in England. The study found that even small improvements in home energy efficiency can significantly reduce annual heating costs for households in energy poverty.
The EU's Green Deal aims to reduce carbon emissions by 2050 but may increase emissions globally. An international team of scientists found that the deal could lead to a 244.8% increase in global emissions outside EU borders. However, adopting a plant-based diet and phasing out biofuels within the EU could significantly reduce emissions.
Researchers in human nutrition developed an innovative tool to assign a healthy hydration recommendation score to governments, promoting water and discouraging sugary beverages. The study analyzed 93 countries with dietary guidelines, finding that 48 had complementary messages encouraging water and reducing sugary beverage intake.
Researchers examined how clean energy policies affect neighboring states and found that stronger policies lead to more renewable electricity generation. The study suggests that individual state policies are more effective than previously thought, and that geographical proximity plays a significant role in spillover effects.
A new study by the University of Oxford recommends expanding climate reporting standards to capture companies' wider impact on global net zero. This includes their product power, purchasing power, and political influence. The goal is to incentivize systemic change through products, purchases, and policy lobbying.
A new study shows that empowering women through energy care work can transform community-led renewable energy programmes, promoting gender equality. The research highlights the importance of valuing multiple voices and incorporating diverse practices of care into energy transition policies.
A new international study underscores the need to integrate technological advancements with robust institutional capacities to formulate effective climate policies. The research found that inadequate institutional capacity could hinder reaching even 2°C targets, while improved global institutional support could enhance the likelihood o...
Scientists argue that solar farms in the UK have great potential to restore degraded habitats and meet the UN's Sustainable Development Goals. However, unless policies change, potential biodiversity benefits could be squandered.
Researchers explore clean energy investments as a means to stabilize and enhance portfolios during fluctuating market conditions. The study found that clean energy indices play unique roles in the global financial system, affecting information transmission and resilience.
A recent study by UC Davis highlights California's vulnerability to climate change, with native plant species facing extinction in hot spots like the Sierra Nevada and coastal ranges. The study suggests a 19% loss of species by 2080 under current projections.
The study uses machine learning framework to estimate global rooftop area growth, projecting a 20-52% increase by 2050. Rooftop solar power holds significant potential for emerging economies, driving sustainable development and prosperity.
A study published in PLOS Climate found that childhood home temperatures and community connectedness can help predict how U.S. residents set their thermostats. The researchers surveyed 2,128 participants and found that those who grew up in cold-winter locales tend to dial up their thermostats higher than those raised in warmer homes.
Long-distance travel has a substantial carbon footprint, with journeys over 50 miles accounting for 70% of emissions. Research suggests targeting long-distance travel may be more effective than current efforts to reduce emissions. Changing behavior and policy can maximize reductions in carbon emissions from passenger travel.
A Princeton-led study suggests that diversifying China's urban heating systems will reduce the risk of carbon lock-in. The researchers examined three hypothetical investment scenarios and found that under a low-coal scenario, electric technologies can meet up to 34% of total district heating demand in 2030.
Researchers found that 240 Chinese cities benefit from carbon mitigation efforts of other cities, with weak beneficiaries having stronger connections to upstream heavy industry cities. Effective emission reduction requires policies addressing distinct city challenges and opportunities.
A new IIASA-led study introduces a dynamic systems approach to understanding social tipping points, which include looking at interconnected feedback mechanisms and interactions across different systems and scales. Small actions can lead to significant changes that ripple through social and economic systems.
The EU ETS's credibility plays a crucial role in its effectiveness. Reforms strengthened the system's long-term credibility, allowing firms to align their market behavior with climate targets. This led to increased carbon prices, signaling high policy credibility and farsighted actors.
A recent study by Tsinghua University offers a comprehensive analysis of public building energy efficiency policies in China. The research reveals significant challenges, including difficulties in collecting energy consumption data and a lack of scientific methods for evaluating energy-use levels.
Researchers at Kyushu University analyzed the carbon footprint of building a wooden house in Japan, estimating 38 tons of CO2 emissions. The team identified electric power sector and steel manufacturing process as major contributors to total emissions.
A new study finds that government plans for coal phase-out around the world include monetary compensation to affected parties, with a total estimated global cost of USD 200 billion. However, if China and India were to adopt similar plans, the cost would skyrocket to over USD 2 trillion. The researchers argue that international finance ...
A recent study found that approximately 30% of India's PM2.5 air quality improvements can be attributed to favorable meteorological conditions, highlighting the need for additional mitigation measures. The researchers also noted that emissions of key PM2.5 precursors have not decreased and may indicate ineffective or under-enforced pol...
A new study shows that firms in the US respond differently to political parties in charge, even if policies don't change. Firms located in Republican-governed states spend more on water pollution control than those in Democratic states.
A new study found that affordable solar panels are being used in rural Ethiopian villages, offering a healthy alternative to kerosene lamps and supporting education. However, uncertified panels break easily and lack maintenance support, creating environmental pollution.
A new study by Stanford researchers finds that factory and warehouse rooftops can host solar resources to fill the solar equity gap in disadvantaged communities. Non-residential rooftops generate 38% less electricity in poorer areas than wealthier ones, but have large unused capacity to produce solar power.
A study published in the Journal of the American Heart Association found that neighborhoods with more adversity have up to twice the increased risk of heart disease and stroke. The research highlights the complex interplay between social and environmental factors on health outcomes.
A new study by Cornell University researchers suggests that combining cryptocurrency mining with green hydrogen technology can significantly boost renewable energy production. The approach, known as the 'dynamic duo,' has the potential to accelerate wind and solar capacity growth across the US.
A new study published in Nature Sustainability suggests that decommissioned offshore structures may only provide limited long-term ecological benefits. The research analyzed over 530 scientific studies on the effects of marine artificial structures and found no conclusive evidence to support their use as artificial reefs.
Researchers propose that policy interventions should focus on reducing energy demand to improve energy security, rather than just increasing supply. This approach is found to be more effective in making countries less susceptible to convergent energy crises.
A new study suggests China will need to build eight to ten times more wind and solar power installations than in 2022 to achieve carbon neutrality by 2060. The report also highlights the importance of coordinating land use policies nationwide, with a focus on areas within 100 miles of major population centers.
A study published in Natural Resources Forum found that renewable energy production reduces carbon dioxide emissions in OECD countries but increases them in emerging economies. Economic growth also enhances environmental quality in both sets of countries, while institutional quality is linked to fewer emissions in OECD countries.
Research reveals that energy poverty is a significant issue in Canada, with implications for population health and climate resilience. The study found that households facing energy poverty are more likely to experience poorer self-rated general and mental health, as well as higher levels of illness and hospitalization.
A team of researchers at Kyushu University found that Japan's current policy may not be enough to reduce CO2 emissions and achieve decarbonization goals. To address this, the government must extend vehicle longevity, invest in a cleaner energy mix, and decarbonize the supply chain.
The study identifies areas with high carbon footprints, including those reliant on fossil fuels and manufacturing, highlighting the need for targeted economic assistance programs. The research provides a precise way to assess industrial composition, helping policymakers incorporate considerations into future policies.
A study of 1,950 NYC residents found that 30% experience energy insecurity, leading to respiratory, mental health, and cardiovascular conditions. The population was disproportionately affected by low-income, Black, and Latino residents, highlighting the need for targeted interventions to address health inequities.
The Research Institute for Sustainability developed an energy justice index to measure fairness in the Global South's energy transitions. The index highlights countries like Malaysia and Chile as leaders in distributional justice, while Kenya and Jordan excel in procedural justice.
West Virginia University has been awarded a $1 million National Science Foundation grant to drive energy technology and infrastructure development in the region. The initiative aims to identify pathways for workforce development and policy development that accelerates adoption of energy technologies.
A new commentary highlights that shifting focus from energy supply to consumption can effectively reduce carbon emissions and improve wellbeing. Reducing energy demand could save households and businesses money, create employment, and reduce emissions, while also limiting global warming in line with Paris Agreement targets.
A study of 38 Ontario municipalities found that almost all publish their sustainability goals but under half formally report on progress. Researchers from the University of Waterloo aim to help Canadian municipalities monitor and measure their climate mitigation efforts through a new partnership.
A Princeton-led study found that most common clean energy procurement strategies are ineffective in reducing long-term emissions in the US. However, one approach called temporal matching can have a substantial effect when companies purchase clean energy hourly to match their real-time energy consumption.
Researchers identify five key properties of global systems that generate polycrises and hamper crisis mitigation. They recommend a global effort to reduce greenhouse gas emissions and promote renewable energy sources to address the growing interconnections between world problems.
Researchers at KAUST Solar Center have developed a roadmap for commercializing perovskite/silicon tandem solar cells, which combine efficient light absorption and long-term stability. The technology has the potential to meet Saudi Arabia's solar targets and exceed $10 billion in market value within a decade.
IIASA researchers propose a conceptual framework to address justice in climate science, synthesizing distributional, procedural, corrective, recognitional, and transitional justice. The framework aims to enhance interdisciplinary understanding and promote awareness of justice considerations in climate policy.
The study reveals that oil-built villas in the Gulf Cooperation Council countries have led to a significant increase in greenhouse gas emissions. The researchers found that while these structures are often energy-intensive, Oman stands out as an exception due to its adherence to Islamic building regulations.
The report highlights six key recommendations to change course, including coordinated action to trigger positive tipping points. Averting the crisis and doing so equitably must be the core goal of COP28 and ongoing global cooperation.
A new study found that exposure to coal particulate air pollutants is associated with a mortality risk more than double that of exposure to PM2.5 from other sources. The researchers estimated that 460,000 deaths were attributable to coal PM2.5 in the US between 1999 and 2020.
A study analyzing European Parliament politicians' views on degrowth and green growth reveals a surprising lack of consensus on both sides. Despite its popularity among centre-right MEPs, green growth is seen as a more divisive concept than previously thought, with no clear majority supporting it.
A team of researchers revisited a 1980s model predicting nuclear power expansion and found it had flawed assumptions that impact energy policy decisions. They suggest improving simulation testing methods like sensitivity auditing to increase transparency about model uncertainties.
A new algorithm from the University of Surrey models distributed electricity networks, finding that local renewable energy generation is generally more efficient than central storage or export. The study suggests that considering local constraints and factors like energy prices and subsidies can help design the most efficient local grids.
A new study maps uncertainty in current climate modeling and proposes a framework to better predict future global warming risk. International experts identify 26 distinct processes that could drive significant warming after net zero.
A UNIGE team has developed a super-model to simulate the spread of three green technologies in Swiss municipalities by 2050. The results show that Switzerland is unlikely to achieve zero net carbon emissions by 2050 without significant policy changes, highlighting the need for increased efforts and updated policies.
A new analysis suggests that the US low-carbon transition is likely to create consistent job growth, particularly in the utilities and construction sectors. However, major fossil fuel-producing states may need to prepare for fewer mining jobs and plan carefully to ensure a 'just' transition for all workers.
A new study predicts that solar power will dominate the global energy mix by the middle of this century due to rapid innovation in solar technology. However, four barriers, including stable power grids and political resistance, could hamper this transition, highlighting the need for policies to overcome these hurdles.
A study of Atlantic hurricanes found that people with lower socioeconomic status wait significantly longer for power to be restored after outages. The research suggests that investing in energy infrastructure and renewable energy may help mitigate the negative impacts of power outages on vulnerable communities.