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Rethinking grid integration of a massive renewable power expansion to achieve carbon neutrality in China and beyond

A new model suggests that integrating massive offshore wind generation, power storage, electric vehicles, green hydrogen production, and expanded transmission can reduce costs of renewable power integration into the grid. This strategy could make achieving China's carbon neutrality by 2050 feasible without significantly increasing costs.

China’s solar-powered future

Researchers from Harvard and Tsinghua University found that solar energy could provide 43.2% of China's electricity demands in 2060 at less than two-and-a-half U.S. cents per kilowatt-hour. The study highlights a crucial energy transition point for China and other countries, where combined solar power and storage systems become a cheap...

SourceHarvard John A. Paulson School of Engineering and Applied Sciences·JournalProceedings of the National Academy of Sciences·DateOct 18, 2021

Exploring the global environmental impacts of China's growing demand for food

A study by IIASA researchers and Chinese colleagues highlights the need for sustainable food production in China to avoid environmental destruction. The global impact of China's increasing food demand is expected to be substantial, with significant challenges facing trading partners, particularly those involved in livestock products.

COVID-19 and plastics: How the pandemic highlights the need for sustainable waste disposal

The COVID-19 pandemic has exacerbated plastic pollution, with global waste generation increasing by twice the amount in 2020 compared to 2019. To address this issue, researchers advocate for a transition to novel sustainable practices and technologies, including biodegradable plastics and efficient recycling processes.

SourceCactus Communications·JournalNature Reviews Earth & Environment·TypeCommentary/editorial·DateOct 7, 2021

Can sustainability standards effectively mitigate food system challenges?

A new study reviews sustainability standards for crop and livestock production, finding moderate positive effects on the environment through reduced agrichemical use. However, economic benefits vary by region and standard, and assessments are complicated. The study also raises concerns about labor practices and inequalities in the rura...

Over 120 scientific experts’ global ocean report shows unprecedented climate change impact, as Arctic registers record low ice levels

The Copernicus Ocean State Report reveals record low Arctic ice levels, with a 90% reduction in average sea ice thickness in the Barents Sea. The report also highlights extreme variability in ocean temperatures and oxygen levels, posing significant challenges for marine ecosystems.

SourceTaylor & Francis Group·JournalJournal of Operational Oceanography·DateSep 22, 2021

Researchers release first-of-its-kind quantitative assessment for sustainable agriculture

The Sustainable Agriculture Matrix provides a comprehensive assessment of agricultural sustainability at a national level, considering environmental, economic, and social impacts. The framework helps governments and organizations evaluate progress, identify priorities for improvement, and inform policies towards sustainable agriculture.

SourceUniversity of Maryland Center for Environmental Science·JournalOne Earth·TypeComputational simulation/modeling·DateSep 17, 2021

Act now to benefit economically from peatland restoration

A new study found that restoring peatlands now would provide significant economic benefits to society, including a reduction of greenhouse gas emissions and improved wildlife habitat. In Scotland, restoration could generate £191m in annual societal benefits if done by 2027, rather than later.

SourceUniversity of Leeds·JournalGlobal Environmental Change·TypeCase study·DateSep 16, 2021

Insect protein has great potential to reduce the carbon footprint of European consumers

Researchers found that insect protein has great potential to reduce global warming associated with food consumption in Europe, especially when used in broiler meat production. Using edible insects or low-value food industry side stream products can increase the carbon footprint benefits of using insect protein over soybean meal protein.

SourceUniversity of Helsinki·JournalJournal of Cleaner Production·DateSep 7, 2021

Indigenous and local communities key to successful nature conservation

A systematic review of 169 conservation projects worldwide reveals that Indigenous and local communities are crucial for successful nature conservation. The study found that equitable conservation approaches, empowering local communities, yield positive outcomes for both humans and the environment. However, complex factors such as comm...

SourceUniversity of East Anglia·JournalEcology and Society·TypeSystematic review·DateSep 1, 2021

Marginal land available for bioenergy crops much scarcer than previously estimated

A recent study by the University of Illinois at Urbana-Champaign Institute for Sustainability, Energy, and Environment suggests that bioenergy crops can be produced on economically marginal land. The research team estimated that 1.4-2.2 million hectares in the rainfed region are suitable for bioenergy crop production on such land.

SourceUniversity of Illinois at Urbana-Champaign Institute for Sustainability, Energy, and Environment·JournalEnvironmental Science & Technology·TypeComputational simulation/modeling·DateSep 1, 2021

Preparation versus relief: Understanding public support for natural disaster spending

A new study reveals that public opposition to disaster spending is driven by a lack of knowledge about the benefits of preparedness rather than personal experience with natural disasters. The study found that investing in disaster preparedness yields significant cost savings compared to relief efforts, but many Americans remain unaware...

SourceWashington University in St. Louis·JournalPolitical Behavior·TypeSurvey·DateAug 30, 2021

New research in rural Costa Rica suggests community-based monitoring can improve water management

New research published in PNAS suggests that community-based monitoring can improve water management in rural Costa Rica by reducing groundwater extraction and improving water quality. The program, which used a smartphone application and WhatsApp, showed modest but significant effects after one year.

SourceUniversity of Maryland Baltimore County·JournalProceedings of the National Academy of Sciences·TypeRandomized controlled/clinical trial·DateAug 24, 2021

Study proposes new ways to estimate climate change impacts on agriculture

Researchers propose new statistical approaches to estimate climate change impacts on US agriculture, focusing on county-level analysis. They suggest that current grouping methods can lead to inaccurate results and recommend using C-Lasso, causal forest algorithm, and geographically weighted regressions.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalClimatic Change·TypeData/statistical analysis·DateAug 20, 2021

Breaching tipping points would increase economic costs of climate change impacts

Researchers have created a new model that estimates the economic impacts of climate tipping points, such as disintegration of the Greenland Ice Sheet. The study finds that exceeding these tipping points could lead to increased economic costs of climate change impacts by up to 25%.

SourceGrantham Research Institute on Climate Change and the Environment·JournalProceedings of the National Academy of Sciences·TypeComputational simulation/modeling·DateAug 16, 2021

Flood water: Toxins from the riverbed

A review of previous scientific studies on pollutant release from sediments during extreme flood events reveals significant risks to human and environmental health. The study highlights the need for good river management to address long-term consequences of pollutants in riverbeds.

SourceGoethe University Frankfurt·JournalJournal of Hazardous Materials·TypeSystematic review·DateJul 30, 2021

Climate adaptation at the department of defense and beyond

New research from the University of Arizona identifies climate-related threats to US Department of Defense facilities in the southwestern United States. The study recommends emphasizing risks to DOD missions, finding champions at individual bases, and integrating climate considerations into existing plans to mitigate these challenges.

SourceUniversity of Arizona·JournalClimate Services·DateJul 27, 2021

Toxic facility relocation depends on community pressure

New research from the University of Illinois explores how community characteristics impact the relocation of toxic-releasing facilities. The study found that facilities are more likely to move from communities with high population density, income, and education levels, while moving into those with lower socioeconomic status.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalJournal of the Association of Environmental and Resource Economists·DateJul 21, 2021

After the pandemic: Economy, poverty and climate in the post-COVID-19 era

The COVID-19 pandemic has had a devastating impact on the economy, leading to a 75 million-person increase in poverty in 2020. The study predicts that economic impacts will persist due to past epidemics' effects, with energy demand and emissions dropping significantly but mostly due to reduced economic activity.

Assessing feasibility concerns in climate mitigation scenarios

Researchers develop a framework to identify and evaluate feasibility concerns in climate mitigation scenarios, highlighting institutional constraints and socio-cultural limitations. The study applies the framework to IPCC scenarios, revealing that many assume fast decarbonization rates in regions with low mitigation capacity.

SourceCMCC Foundation - Euro-Mediterranean Center on Climate Change·JournalEnvironmental Research Letters·DateJun 9, 2021

The feasibility of transformation pathways for achieving the Paris Climate Agreement

A new systematic framework allows researchers to identify feasibility concerns in climate mitigation scenarios, highlighting the need for improved assessments of socio-cultural factors and demand-side mitigation. The framework is particularly useful for exploring trade-offs over time and analyzing enabling conditions for achieving ambi...

SourceInternational Institute for Applied Systems Analysis·JournalEnvironmental Research Letters·DateJun 2, 2021

Current global environmental law and policy are failing, experts say

Leading scholars propose new frameworks for environmental governance, citing structural problems in current laws and international law-making processes. They advocate for a new environmental charter, reviving the United Nations Trusteeship Council, and strengthening the UN Environment Programme to address pressing global challenges.

SourceIOS Press·JournalEnvironmental Policy and Law·DateJun 2, 2021

Incentives could turn costs of biofuel mandates into environmental benefits

Researchers argue that targeted policies and incentives are needed to promote perennial bioenergy crops over cheaper options, reducing nitrogen runoff and improving water quality. In contrast, a cellulosic ethanol mandate with the right policies could provide substantial economic and environmental benefits.

The American public is responsible for identifying over a quarter of new invasive species

A new study by Resources for the Future found that at least 27% of new invasive pests in the US were initially detected by members of the public. The researchers suggest leveraging the public's role to improve early detection and control of invasive species, which cause significant economic and environmental harm.

SourceResources for the Future (RFF)·JournalConservation Science and Practice·DateApr 14, 2021

How housing discrimination affects environmental inequality

A University of Illinois study reveals racial discrimination in the home-renting process actively sorts minority renters into neighborhoods with higher levels of pollution. This leads to disparities in residential pollution exposures and contributes to health issues like respiratory illnesses and stress.

South Africa: the rising temperatures will cost up to 20% of per capita GDP

A recent study predicts that climate change in South Africa will lead to a 20% decrease in per capita GDP by the end of the century. The researchers analyzed data on temperature changes and labor availability, finding that low-skilled workers are disproportionately affected, leading to a closing wage gap but reduced overall output.