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Future heat waves pose threat to global food supply

A new study estimates that future heat waves could double crop yield losses, particularly for maize, and offset positive CO2 fertilisation effects on wheat and soybean yields. Climate mitigation policies can help reduce risks of negative impacts on global food supply.

SourceIOP Publishing·JournalEnvironmental Research Letters·DateMar 19, 2014

OU study suggests non-uniform climate warming global

A recent University of Oklahoma study suggests that non-uniform climate warming affects global regions differently, impacting ecosystem functions such as food production and carbon sequestration. The effects of non-uniform warming on terrestrial ecosystems are a key challenge in carbon cycle research and future predictions.

SourceUniversity of Oklahoma·JournalNature Geoscience·DateMar 5, 2014

Global warming felt to deepest reaches of ocean

A study by McGill University researchers shows that climate change has led to a decrease in ocean salinity, creating a freshwater lid that prevents mixing with warm waters underneath. This has resulted in the suppression of naturally rare events like the Antarctic polynya and contributed to the shrinking of Antarctic Bottom Water.

SourceMcGill University·JournalNature Climate Change·DateMar 2, 2014

Recognizing the elephant in the room: Future climate impacts across sectors

The Inter-Sectoral Impact Model Intercomparison Project (ISI-MIP) provides comprehensive climate change projections, identifying regional hotspots of impact types that coincide and interact. The results highlight the need for effective real-world policies to mitigate the impacts of global warming.

SourcePotsdam Institute for Climate Impact Research (PIK)·JournalProceedings of the National Academy of Sciences·DateDec 16, 2013

Paths out of uncertainty

The study reveals that natural fluctuations in the climate system are the primary cause of differences in short and medium-term projections. Despite this, researchers have found ways to make predictions about local climate extremes for certain regions and large areas, highlighting the importance of considering regional variability.

SourceETH Zurich·JournalNature Climate Change·DateNov 17, 2013

Loss and damage from climate change

Research papers from nine vulnerable countries reveal four loss and damage pathways caused by climate stressors, including insufficient coping measures and negative economic impacts. The study highlights the need for ambitious mitigation and adaptation to prevent loss and damage that undermines sustainable development.

SourceInderscience Publishers·JournalInternational Journal of Global Warming·DateOct 25, 2013

World ocean systems undermined by climate change by 2100

A new study predicts that climate change will significantly impact the world's oceans by 2100, affecting marine habitats and organisms. The study reveals that no corner of the ocean will be untouched by changes in temperature, acidification, oxygen depletion, and productivity, with massive disruptions to food chains, fishing, and tourism.

SourcePLOS·JournalPLOS Biology·DateOct 15, 2013

Effects of climate change on West Nile virus

A study projects how climate change affects West Nile virus-carrying mosquitoes across the southern US, with changes varying by region. Warmer temperatures and drier conditions may lead to longer mosquito seasons but smaller summer populations.

SourceUniversity of Arizona·JournalProceedings of the National Academy of Sciences·DateSep 9, 2013

400-year study finds Northeast forests resilient, changing

A 400-year study by Harvard University researchers found that Northeastern forests have changed significantly after centuries of intensive land use. Maples have exploded across the region, while other tree types like beeches, oaks, and chestnuts show a pronounced decline. Pine numbers have shifted more than any other tree type.

SourceHarvard University·JournalPLOS ONE·DateSep 5, 2013

Clues in coral bleaching mystery

New research from Carnegie Institution for Science reveals that coral bleaching occurs even when algae are heat-stressed in the dark, suggesting novel mechanisms beyond toxic oxygen molecules. The study provides key details on the breakdown of photosynthetic apparatus and potential strategies to mitigate bleaching.

SourceCarnegie Institution for Science·JournalCurrent Biology·DateSep 5, 2013

Ozone hole might slightly warm planet

A new study suggests that the ozone hole could be causing a slight warming effect on the planet, rather than a cooling one. The ozone hole's impact on wind patterns causes clouds to move towards the South Pole, reducing their ability to reflect radiation and leading to increased temperatures.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateAug 8, 2013