As regulators investigate and lawmakers lament the Feb. 3 train derailment at the Ohio-Pennsylvania border that released carloads of toxic chemicals into the atmosphere, state officials have expressed ...

Scot Miller is an assistant professor in Johns Hopkins University's Department of Environmental Health and Engineering whose research focuses on greenhouse gas emissions and air pollution. His ...

Tracking The Right Global Warming MetricWhen it comes to climate change induced by greenhouse gases, most of the public’s ...

Methane is particularly targeted for curbing greenhouse gas emissions because its significant global-warming potential in the short term exceeds carbon dioxide by over 80-fold. However, monitoring ...

A data visualization showing a map of the Earth with the northern half obscured by purple shading. The southern continents including the tip of Africa, Australia, South America, and Antarctica appear ...

Methane is considered a "super pollutant" due to its role in global warming.

Rapid methane reductions are critical to limit global warming in the near term, and more than 150 countries have signed the Global Methane Pledge—a collective agreement to cut methane emissions by 30 ...

Every year, 6,000 flasks arrive at a laboratory in Boulder, Colorado. Inside each is a sample of air, taken from one of a chain of 50 monitoring stations that spans the globe. Together, these samples ...

US Special Presidential Envoy for Climate John Kerry at the COP27 climate conference in Sharm el-Sheikh, Egypt — JOSEPH EID US climate envoy John Kerry urged Pacific island states on Thursday to join ...

The measure, which requires oil and gas producers to detect and fix leaks of the greenhouse gas, came as the U.S. vice president spoke at the COP28 climate summit. By Jim Tankersley and Lisa Friedman ...