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Climate Change’s Role in Tick Migration

Climate Change’s Role in Tick Migration

Here’s how climate change plays a role in tick migration and the spread of Lyme disease.

More Hot Days Across the U.S.

More Hot Days Across the U.S.

See the trend in hot days in these U.S. cities.

Small Change in Average, Big Change in Extremes

Small Change in Average, Big Change in Extremes

A small increase in average temperature leads to a big increase in extreme heat.

Dead Zones: Warming Oceans Hold Less Oxygen

Dead Zones: Warming Oceans Hold Less Oxygen

Warming waters are decreasing oxygen in the oceans, creating dead zones for marine plants and animals.

As CO2 Goes Up, Ocean Health Goes Down

As CO2 Goes Up, Ocean Health Goes Down

Excessive carbon emissions are worsening the ocean's health.

Hottest Days Coming Earlier

Hottest Days Coming Earlier

The first day with summer-like temperatures is happening earlier for most of these cities.

U.S. Warming Since the First Earth Day

U.S. Warming Since the First Earth Day

Since the first Earth Day in 1970, the average annual temperature in every state has climbed.

More Warm Spring Days

More Warm Spring Days

As the climate changes, see the trend in warmer-than-normal spring days in these cities.