The state of the climate future, Part I. Read More

Vermont was the first state to try to hold polluters accountable for climate disasters. New research aims to assign specific responsibility. Read More

Weakening or rolling back longstanding environmental regulations would worsen the problem, the American Lung Association assessment says. Read More

Liberals hoped he’d ordain women or allow gay marriage. Conservatives thought he’d tear up Church doctrine. But his papacy favored debate over radical action. Read More

Protesters interrupted an all-Balanchine program on the company’s spring season opening night, which coincided this year with Earth Day. Read More

Leaders from many religions — including, notably, Pope Francis — have long sought to tie their faith to environmental stewardship. Read More

Flips between warm temperatures to cold and vice versa have become quicker, more frequent and more intense in recent decades, a new study shows. Read More

Rising sea levels are forcing the Mystic Seaport Museum in Connecticut to address the long-term sustainability of its campus. Read More

The I.M.F. and World Bank are holding their spring meetings as President Trump’s trade war upends the global economy. Read More

Periods including “fish emerge from the ice” in mid-February and “rainbows hide” in late November offer a framework for eating, gathering and celebrating. Read More