President Trump has rolled back environmental regulations, pulled the United States out of the Paris climate accord, brushed aside dire predictions about the effects of climate change, and turned the term “global warming” into a punch line rather than a prognosis.

Now, after two years spent unraveling the policies of his predecessors, Mr. Trump and his political appointees are launching a new assault.

Philippe Verdier, weather chief at France Télévisions, the country's state
broadcaster, reportedly sent on "forced holiday" for releasing
book accusing top climatologists of "taking the world hostage"

The world has a better chance of saving itself from catastrophic global warming now than at any time over the past two decades, according to the scientist behind some of the most alarming predictions ever made for the planet’s future. Johan Rockström shocked environmentalists in 2009 when he identified nine categories of Nature that were essential for life as we know it, and warned that we had alr