A new study co-authored by postdoctoral associate Michaël Marsset details how two red objects that have been discovered in the asteroid belt between Mars and Jupiter appear to have originated beyond Neptune, reports Jonathan O’Callaghan for The New York Times. “In order to have these organics, you need to initially have a lot of ice at the surface,” explains Marsset. “So they must have formed in a very cold environment.”
A new study by MIT researchers finds that the oceans may begin emitting chlorofluorocarbons by 2075, reports Valerie Yurk for E&E News. “Even if there were no climate change, as CFCs decay in the atmosphere, eventually the ocean has too much relative to the atmosphere, and it will come back out," says Prof. Susan Solomon.
CNN reporter Ivana Kottasová writes that a new study co-authored by MIT researchers finds there has been a significant drop in CFC emissions and a resumption in the recovery of the ozone layer. Prof. Ronald Prinn, director of the Center for Global Change Science at MIT, said that the results were “tremendously encouraging,” adding that “global monitoring networks really caught this spike in time, and subsequent actions have lowered emissions before they became a real threat to recovery of the ozone layer.”
The Climate Modeling Alliance (CliMA), which includes a number of MIT researchers, is working on developing a new climate model that could be used to create more accurate climate predications that could be useful at the local or regional levels, reports Doug Struck for The Christian Science Monitor. “It’s always a mistake to say that you shouldn’t try something new,” says Prof. Raffaele Ferrari. “Because that’s how you change the world.”
Guardian reporter Fiona Harvey memorializes the life and work of Institute Professor Emeritus Mario Molina, known for his research uncovering the impact of CFCs on the ozone layer. Harvey notes that Molina’s work, “will also help to avert ruin from that other dire emergency, the climate crisis.”
Institute Professor Emeritus Mario Molina, known for his work demonstrating the risk of CFCs to the ozone layer, has died at age 77, reports Emily Langer for The Washington Post. Langer notes that Molina was also “a prominent voice in debates about how best to combat climate change.”
A study by MIT researchers uncovers evidence that the Earth’s global ice ages were triggered by a rapid drop in sunlight, reports Mashable. The researchers found that an “event like volcanic eruptions or biologically induced cloud formation will be able to block out the sun and limit the solar radiation reaching the surface at a critical rate that can potentially trigger ‘Snowball Earth’ events.”
Forbes contributor Bruce Dominey writes that a study by MIT researchers finds global ice ages may have been triggered by a rapid decrease in the amount of solar radiation reaching Earth. “Past Snowball glaciations are more likely to have been triggered by changes in effective solar radiation than by changes in the carbon cycle,” writes Dominey.
A study by Prof. Dan Rothman finds that increasing greenhouse gas emission rates could trigger a mass extinction in the ocean, reports Priya Shukla for Forbes. Shukla writes that Rothman found if a certain carbon threshold “is breached, it would take tens of thousands of years for the oceans to return to their original unperturbable state.”
A new study by MIT researchers provides evidence that life on Earth may have begun in shallow bodies of water, reports Martin Finucane for The Boston Globe. The researchers found that ponds “could have held high concentrations of a key ingredient, nitrogen, while that would have been less likely in the ocean,” Finucane explains.
A new study by MIT researchers provides evidence that the first life on Earth likely came from shallow ponds, not oceans, reports the Xinhua news agency. The researchers found that primitive ponds that were about “10 centimeters deep had higher concentrations of nitrogen, a key ingredient for life on Earth.”
Fast Company reporter Adele Peters highlights a new study co-authored by MIT researchers that examines the impacts of using solar geoengineering to cut global temperature increases caused by climate change in half. The researchers found that “reducing warming would also offset the increasing intensity of hurricanes and would help moderate extreme rain and a lack of water for farming,” Peters explains.
LiveScience reporter Stephanie Pappas writes that a new study by MIT researchers finds that massive tectonic collisions in the tropics may have led to the last three ice ages on Earth. “This could provide a simple tectonic process that explains how Earth goes in and out of glacial periods,” explains Prof. Oliver Jagoutz.
Axios reporter Andrew Freedman writes about a study by MIT researchers examining solar geoengineering. “Contrary to earlier studies that focused on solar geoengineering schemes that would aim to cancel out all human-caused global warming,” Freedman writes, “the new study found that halving the amount of warming would not have widespread, significant negative impacts on temperature, water availability, the intensity of hurricanes or extreme precipitation."
Prof. Kerry Emanuel speaks with Radio Boston about a new study that finds solar geoengineering could mitigate some of the adverse effects of climate change. Emanuel notes that solar geoengineering “is sort of like an emergency alarm that you would sound or something you would keep in your back pocket to play if things get desperate.”