Man - made climate change is adversely affecting the U.S. , says a federal report . Report : It will stress natural resources , challenge crops and raise sea levels . The continuing temperature rise is likely to spur a series of negative consequences for the Earth 's energy supply , water , transportation , ecosystems and health , the study said . Report is released by White House science officials and approved by Congress . Report 's predictions : Hotter heat waves , more flooding and an increase in wildfires .
Man - made climate change is adversely affecting the U.S. , says a federal report . Report : It will stress natural resources , challenge crops and raise sea levels . Report is released by White House science officials and approved by Congress . Report 's predictions : Hotter heat waves , more flooding and an increase in wildfires .