Levels of climate-warming methane — a greenhouse gas 25 times as potent as carbon dioxide — rose abruptly in Earth’s atmosphere last year, and scientists who reported the change don’t know why it occurred. Methane, the primary component of natural …
Floods like those that inundated the U.S. Midwest are supposed to occur once every 500 years but this is the second since 1993, suggesting flawed forecasts that do not take global warming into account, conservation experts said on Tuesday. “Although …
The Group of Eight major industrialized countries (G8) meeting next week in Japan cannot by themselves set effective long-term world goals on curbing greenhouse gas emissions, the White House said on Tuesday. “With evidence mounting of rapidly rising emissions from …
