"Tests last summer showed troubling levels of lead in the water at Summit Township Elementary School, perched on a quiet hilltop outside Butler, Pa. But for the next five months, no one told the parents of Summit’s 250 students."

"The Trump administration is moving to make the United States the world’s leading exporter of natural gas as a central component of both energy and trade policy. But whether global markets, currently awash with gas, will play along remains a long shot over the next several years."

"The northernmost village in Greenland sits just shy of 78 degrees north latitude — deep in the Arctic — yet during the summer, meltwater is everywhere. It flows in small rivulets and larger streams, past multicolored houses built against a sloping hill and down to the Inglefield Bredning, as it is called in Danish — a broad body of water at the confluence of several fjords."

"The Environmental Protection Agency announced Friday evening that its website would be “undergoing changes” to better represent the new direction the agency is taking, triggering the removal of several agency websites containing detailed climate data and scientific information."