Topics Greenhouse Gases
800,000 Years of Carbon Dioxide
Yes, CO2 levels have varied in Earth’s past. But today’s levels are the highest in millions of years and increasing at an unprecedented rate.
CO2 Concentrations Rising Past 400 Parts Per Million
As we emit more fossil fuels, atmospheric CO2 concentrations are rising each year — reaching levels that are unprecedented in history.
FAITH AND FLOODING: How Sea Level Rise Threatens America’s Houses of Worship
Unchecked warming emissions are projected to leave hundreds of houses of worship in areas vulnerable to chronic flooding by midcentury.
U.S. Warming By State
U.S. states are getting warmer with climate change — check out how your state stacks up.
How Your City, State, and Country Is Warming
Happy Earth Day! Take a look at how much warming has occurred since the first Earth Day in 1970.
AMERICAN WARMING: The Fastest-Warming Cities and States in the U.S.
Local temperature data from 1970 to 2018 shows warming trends across the country — and Americans are already feeling the effects.
A Change in the Air: Earlier Springs Bring Allergies and Asthma to Hard-Hit San Antonio
San Antonio is one of the most challenging cities for spring allergies sufferers, and rising temperatures are making it worse.
The Changing Growing Season Around the U.S.
Climate change is affecting the growing season — and the allergies that come with it — around the country.
