A Pressing Issue

Climate change is creating extreme weather around the world. The research below explains the causes, evidence, and impact of rising temperatures and heavier rainfall.

Lightning strikes in a stormy sky over a rural dirt road with fields on either side.

Investigate Further

NYC

NYC Climate Hazards Report

Outlines New York City's growing risks from flooding, storm surge, and extreme rainfall.

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Flooding

Extreme Precipitation in the Northeast (NOAA)

The Northeast has seen some of the largest increases in heavy rainfall nationwide.

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Cause

IPCC Sixth Assessment Report

Confirms human-caused greenhouse gas emissions are driving observed climate change.

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Infrastructure

Stormwater Capacity in NYC

NYC's combined sewer system was not designed for today's rainfall intensity.

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Equity

Hurricane Ida Basement Flooding

Documents how flash flooding disproportionately impacted low-income communities.

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National

Climate Change & U.S. Extreme Weather

Connects climate change to worsening floods, storms, and heat nationwide.

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Flood Risk

Urban Flood Risk Across U.S. Cities

Finds that many U.S. cities underestimate current flood risk.

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Health

Flooding & Public Health

Flood exposure increases risks of injury, mold, and long-term health issues.

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Sea Level Rise

Sea Level Rise & Coastal Flooding

Rising seas worsen storm surge and compound rainfall flooding.

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Preparedness

NYC Emergency Flood Preparedness

Official guidance on preparing for floods and severe storms.

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Data

Observed Climate Change Indicators

Tracks long-term changes in temperature, precipitation, and other extreme events.

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Solutions

Urban Green Infrastructure & Resilience

Explores how rain gardens and permeable surfaces help absorb extreme storm runoff.

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Further Resources

The FloodNet Project

A collaborative sensor network across New York City monitoring real-time street-level flood depth and frequency.

NYC Community Flood Watch

A growing network of residents and organizations who report local flooding, share experiences, and access resources related to flooding in NYC coastal communities.

NYC Stormwater Resiliency Plan

The city's comprehensive strategy and modeling maps designed to manage flash flooding from extreme rainfall events.

Interested?

Learn more about extreme weather around the world using the interactive map below