From the EPA climate change webpage:
We are already experiencing the effects of climate change. Temperatures are rising, snow and rainfall patterns are shifting, and more extreme climate events—like heavy rainstorms and record high temperatures—are already taking place. These changes are linked to the climbing levels of carbon dioxide and other greenhouse gases in our atmosphere, caused by human activities such as burning fossil fuels for energy.
By taking action to reduce emissions of the greenhouse gas pollution that warms our planet, we can reduce the risks we will face from future climate change. EPA, businesses, and individuals all have an important role to play.
