As California goes on regulating air pollution, other states often follow – including the Golden State’s ambitious goals for cleaning up emissions from trucking.
Unless action is taken, the UK will be unable to supply its own water needs in the future – we should look to water-scarce regions such as California for inspiration.
Despite being a major contributor of global carbon emissions, concrete remains a popular construction material. Research suggests this needs to change.
President Joe Biden has pledged sweeping action on climate change but struggled to deliver it. A legal scholar explains why a national emergency declaration should be a last resort.
In a 6-3 ruling, the Supreme Court held that an Obama administration plan to regulate carbon emissions from power plants exceeded the power that Congress gave to the Environmental Protection Agency.
As nations pledge to preserve swaths of ocean within their territorial waters, a marine scientist explains why some marine protected areas shelter ocean life more effectively than others.
Congress tends to be most likely to act after an assassination or assassination attempt of historic proportions or mass shootings. But sometimes lawmakers do nothing beyond debate new measures.
Distinguished Professor of Practice, Trachtenberg School of Public Policy & Public Administration, and Director of the Regulatory Studies Center, George Washington University