ORGANIZERS ARE EXPECTING huge numbers to turn out for the Global Climate Strike, beginning on September 20 and continuing through September 27. It builds on the first global climate strike, which took place on March 15, and attracted an estimated 1.6 million young people, who walked out of class at schools on every continent.

But this week’s strike will be different. This time, young organizers have called on adults from all walks of life to join them in the streets. So in addition to schools in over 150 countries, almost 1,000 workers at Amazon’s headquarters in Seattle have pledged to walk out, as have some faculty unions, Britain’s Trades Union Congress, and many others. There is a plan to shut down Washington, D.C. on September 23.

This diversity of the groups involved may well prove to be a new stage in the climate movement, with many more movements and constituencies seeing themselves in the struggle against climate breakdown — as well as in the emerging vision for an intersectional justice-based Green New Deal.

And it’s a good thing too, because as Donald Trump spews racist hate at Bahamian refugees fleeing the wreckage of Hurricane Dorian and growing numbers of far-right killers cite environmental damage as a justification for their rampages, there is a pressing need to confront the ways in which the fires of climate breakdown are already intersecting with the fires of white supremacy and surging xenophobia globally.

These are themes I explore in-depth in my new book, “On Fire: The (Burning) Case for a Green New Deal,” from which this essay is excerpted . . .