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“#Global warming makes tropical soils leak carbon dioxide” “Carbon held in tropical soils are more sensitive to warming than previously recognized,” says Andrew Nottingham, a researcher at the University of Edinburgh Tropical forest soil warmed in experiments to levels consistent with end-of-century temperature projections released 55 percent more CO2 than control plots, exposing a previously…
“#Researchers identify human influence as key agent of ocean warming patterns in the future” Maps of ocean warming change and its decomposition estimated from observations. Credit: University of Oxford The oceans play an important role in regulating our climate and its change by absorbing heat and carbon. The implications of their results, published today in…
“#Q&A: Treading on shrinking ice” Author Marco Tedesco on the Russell Glacier, southwest Greenland, summer 2018. Credit: Kevin Krajick/Earth Institute Geophysicist Marco Tedesco has an affinity for ice in all its forms–snow, glaciers, ice sheets, sea ice–and has spent his career exploring its qualities and fates. He has worked in Antarctica and the United States,…
“#A warming California sets the stage for future floods” A flooded South Yuba River in Nevada City, California. Credit: Kelly M. Grow/California Department of Water Resources By the 2070s, global warming will increase extreme rainfall and reduce snowfall in the Sierra Nevada, delivering a double whammy that will likely overwhelm California’s reservoirs and heighten the…
“#New study warns: We have underestimated the pace at which the Arctic is melting” Credit: CC0 Public Domain Arctic sea ice is melting more quickly than once assumed. Today’s climate models have yet to incorporate the steep rise in temperatures that have occurred over the past 40 years. This, according to a new study by…
“#Stronger rains in warmer climate could lessen heat damage to crops, says study” Farmland in eastern Oklahoma, part of the study area. Credit: Kevin Krajick/Earth Institute, Columbia University. Intensified rainstorms predicted for many parts of the United States as a result of warming climate may have a modest silver lining: they could more efficiently water…
“#New global study shows ‘best of the last’ tropical forests urgently need protection” Credit: CC0 Public Domain The world’s ‘best of the last’ tropical forests are at significant risk of being lost, according to a paper released today in Nature Ecology and Evolution. Of these pristine forests that provide key services—including carbon storage, prevention of…
“#Agriculture replaces fossil fuels as largest human source of sulfur to the environment” There are multiple forms of sulfur inputs used in agricultural systems, includingelemental sulfur and sulfate, among others. Credit: K. M. Driscoll Historically, coal-fired power plants were the largest source of reactive sulfur, a component of acid rain, to the biosphere. A new…
“#July 2020 set heat records for many U.S. states” Credit: NOAA Headquarters It was an unusually steamy month for the country—even for July. Some states recorded their hottest July ever as others tied with previous years. The month’s precipitation was also higher than average and ranked in the wettest third of the 126-year period of…
“#Predicting drought in the American West just got more difficult” A photograph of a farmer showing his affected plot due to drought in Karnataka, India, 2012. Credit: Pushkarv/Wikipedia People hoping to get a handle on future droughts in the American West are in for a disappointment, as new USC-led research spanning centuries shows El Niño…