Scientists are more certain than ever that climate change is already affecting the United States — and that it is going to be very expensive. A property is engulfed in flames during the Woolsey Fire in Malibu, Calif., this month. (Gene Blevins/Reuters) The federal government on Friday released a long-awaited report with an unmistakable message: The effects of climate change, including deadly wildfires, increasingly debilitating hurricanes and heat waves, are already battering the United States, and the danger of more such catastrophes is worsening. The report’s authors, who represent numerous federal agencies, say they are more certain than ever that climate change poses a severe threat to Americans’ health and pocketbooks, as well as to the country’s infrastructure and natural resources. And while it avoids policy recommendations, the report’s sense of urgency and alarm stand in stark contrast to the lack of any apparent plan from President Trump to […]