“Environmental Defense Fund Invests in Research to Cool the Planet: A Radical Idea Gaining Momentum”

The Environmental Defense Fund (E.D.F.) is taking a bold step by financing research into technologies that could artificially cool the planet. This move comes as global temperatures continue to rise at alarming rates, prompting a shift in perspective on once-radical ideas.

Lisa Dilling, associate chief scientist at E.D.F., is spearheading the project and aims to start issuing grants this fall. The research will focus on estimating the potential effects in different regions if governments were to implement artificial cooling technologies. The primary goal is to provide policymakers with valuable information based on solid scientific research.

While the E.D.F. has previously expressed skepticism about such techniques, Dr. Dilling emphasizes the importance of addressing the discussion around cooling the planet. The group will specifically fund research on solar radiation modification, also known as solar geoengineering, which involves reflecting more of the sun’s energy back into space. This could involve methods like injecting aerosols into the stratosphere or brightening clouds to enhance their reflectivity.

Researchers believe that these actions could offer temporary relief by reducing global temperatures until significant reductions in greenhouse gas emissions are achieved. However, the potential unintended consequences of such interventions remain a key concern. Questions linger about how altering sunlight reflection could impact precipitation patterns and ocean circulation, affecting ecosystems on land and sea.

Opponents of solar geoengineering argue that focusing on these technologies detracts from addressing the root causes of climate change, such as reducing fossil fuel consumption. David Santillo, a senior scientist at Greenpeace International, warns against the false promise of quick fixes and advocates for prioritizing sustainable solutions.

The debate around solar geoengineering recently unfolded in Alameda, California, where officials halted the country’s first outdoor test of a device designed to cool the planet. The experiment involved propelling sea-salt aerosols into the air to study their behavior and potential for reflecting sunlight. Despite initial safety concerns, the city manager deemed the experiment safe, but the City Council ultimately decided to permanently halt it.

Many environmental groups, including the Sierra Club and the Natural Resources Defense Council, remain cautious about solar geoengineering due to uncertainties about adverse effects. The E.D.F. itself acknowledges the risks associated with deliberate climate interventions and emphasizes the need for careful consideration before implementing such technologies.

The decision by the Environmental Defense Fund to invest in solar geoengineering research sends a significant message about the evolving discourse on climate solutions. Larry Birenbaum, a partner at the LAD Climate Fund, underscores the importance of broadening the conversation within the climate community to recognize the potential value of research in this area.

As discussions around artificial cooling technologies continue to evolve, the balance between innovation and environmental stewardship remains a critical consideration in the fight against climate change.