"The restoration of the globe’s protective shield of ozone will be delayed by decades if fast-rising emissions of a chemical used in paint stripper are not curbed, new research has revealed."

"CAPE GRIM, Tasmania — On the best days, the wind howling across this rugged promontory has not touched land for thousands of miles, and the arriving air seems as if it should be the cleanest in the world. But on a cliff above the sea, inside a low-slung government building, a bank of sophisticated machines sniffs that air day and night, revealing telltale indicators of the way human activity is altering the planet on a major scale."

"Vast amounts of river-borne sediment are trapped behind the world’s large dams, depriving areas downstream of material that is badly needed to build up the marshes and wetlands that act as a buffer against rising seas."

"In September 2011, after 20 years of planning, workers began dismantling the Elwha and Glines dams on the Elwha River in northwestern Washington state. At the time, it was the largest dam removal project in U.S. history, and it took nearly three years for both barriers to be dismantled and for the river to once again flow freely.

"India sees its future in renewable energy and supports the Paris Agreement. Trump promotes fossil fuels. Neither leader mentioned climate in their public appearance."

"Steadily rising ocean temperatures are forcing fish to abandon their historic territories and move to cooler waters. The result is that fishermen’s livelihoods are being disrupted, as fisheries regulators scramble to incorporate climate change into their planning."

"Steve Perlman doesn’t take Prozac, like some of the other rare-plant botanists he knows. Instead, he writes poetry. Either way, you have to do something when a plant you’ve long known goes extinct."

"The Energy Department is closing an office that works with other countries to develop clean energy technology, another sign of the Trump administration’s retreat on climate-related activities after its withdrawal from the Paris agreement this month."

"The International Coordinating Council of the Man and the Biosphere Programme (MAB), meeting this week in Paris, added 23 new sites to the UNESCO World Network of Biosphere Reserves (WNBR), a program of the United Nations."

"Twenty-five years ago, U.S. tech companies pledged to stop using chemicals that caused miscarriages and birth defects. They failed to ensure that their Asian suppliers did the same."