By Sabrina Tabernise for The New York Times.

Is climate change a serious threat to human health?

Simple logic would suggest the answer is yes, a point that the Obama administration is using to build support for the president’s effort to make climate change a centerpiece of his final months in office.

The areas that are suitable for ticks to colonize are changing.

A White House report listed deepening risks. Asthma will worsen, heat-related deaths will rise, and the number and traveling range of insects carrying diseases once confined to the tropics will increase.