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This article explains with scientific evidence reasons that climate change is currently occurring and will continue to worsen in the future.

10 Signs Climate Change Is Already Happening

APR 22, 2013 11:00 AM ET // BY KIERAN MULVANEY

2. The Hottest Decade on Record Keeps Changing

3. The Rate of Warming Is Unprecedented in at Least 11,000 Years

4. Arctic Sea Ice Is in a 'Death Spiral'

5. Greenland Is Losing Ice at an Accelerating Rate

6. Antarctic Peninsula Is Also Losing Ice at an Accelerating Rate

7. The Ocean Is Warming

8. Sea Level Is Rising

9. The Planet Is Accumulating More Heat

10. Extreme Weather Is More ... Extreme