【多选题】The direct impacts of global warming on human life are:
A.
Over 100 million people will die by 2030 if we do not collectively take action now. Afterwards, the death toll will be even more severe.
B.
Diseases such as malaria and dengue fever have spread to new locations, with new cases happening even in the United States.
C.
The 2003 heat wave in Europe caused over 30,000 deaths.
D.
At least 100 million people live within 1 meter (about 3 feet) of average sea level, and a large part of the world's population is concentrated in vulnerable coastal cities.