Lyme disease is increasing in the Northeast, and is likely to spread to other areas as the world warms.
This is how hot the United States could be in the future.
Summers are getting hotter across most of the country.
The frequency of high streamflows has risen over the past 30 years in the Northeast, Ohio Valley, and the Mississippi Valley.
A new Climate Central analysis shows an upward trend in the number of heavy precipitation events in the vast majority of the Lower 48 states since 1950.
The average date of the last spring freeze is shifting earlier in the year, extending the pollen and growing season.
Climate change is causing leaves to emerge earlier in the year. See how far ahead they are this year.
These U.S. cities had their warmest winter on record.