AP: U.N. climate chief: pledges by big polluters boost Paris hopes
“The U.N.’s climate chief says deadlines set by some of the world’s top polluters to end greenhouse gas emissions, along with president-elect Joe Biden’s pledge to take the United States back into the Paris accord, have boosted hopes of meeting the pact’s ambitious goals. … [Patricia Espinosa, head of the United Nations climate office,] said countries’ willingness to commit to tougher emissions limits shows that curbing global warming remains a political priority — and that the target set in Paris is a possibility…” (Jordans, 11/19).

NPR reports on a Lancet article by Harvard doctors and researchers discussing how surgeries are contributing to climate change.