In many parts of the country, changes in climate have likely increased habitat suitability for mosquitoes.
Climate change has impacted the size and geographical distribution of tick populations.
Climate change is creating warmer summer nights for every state in the U.S.
We are seeing an increased number of hot days in the U.S. as greenhouse gases continue to build and warm the planet.
In a more acidic ocean, shellfish, plankton and corals struggle to adapt.
CO2 mixes with seawater to form carbonic acid, making the oceans more acidic.
What scientists know well, and what's left to learn, about extreme weather and climate change.
Greenhouse gases are trapping a lot of heat in the climate system and most of it is ending up in the ocean.