The Greenhouse Effect. Key Greenhouse Gases. Other Greenhouse Gases. Aerosols. Climate Feedbacks. More Climate Change Information. See answers to common questions on climate change on the Frequently Asked Questions page. Observations across the United States are showing how climate change is happening now.
Climate change is the long-term shift in the Earth's average temperatures and weather conditions. The world is now more than 1.1C warmer than it was in the late 19th
What We Know About Climate Change | MIT Climate Portal. New to Climate Change? Visit the MIT Climate Primer. What We Know About Climate Change. The Earth's climate is changing faster today than ever before in the history of our species - and human actions are the main reason why. The Science.
Climate change describes a change in the typical weather for a region — such as high and low temperatures and amount of rainfall — over a long period of time. Scientists have observed that, overall, Earth is warming. In fact, many of the warmest years on record have happened in the past 20 years.
Climate change (or global warming), is the process of our planet heating up. Scientists estimate that since the Industrial Revolution, human activity has caused the Earth to warm by approximately 1°C. While that might not sound like much, it means big things for people and wildlife around the globe.
Effects of global warming. The signs of global warming are everywhere, and are more complex than just climbing temperatures. 2:49. CAUSES AND EFFECTS OF CLIMATE CHANGE. What causes climate vYFGVaS.
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