Climate change
Global climate is the connected system of sun, earth, oceans, ecosystems and human activities. Even slight increases in average global temperatures can have huge effects. Greenhouse gas emissions affect more than just temperature. In fact, global climate change leads to longterm changes over the entire Earth. These include waves of extreme heat, heavy snowfalls, increasingly violent hurricanes, long period of drought, rising sea level, reduction of mountain glaciers, ice melting2
at a faster rate than usual, and timing alteration of plant life cycle events.
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Greenland and Antarctic are losing ice six times faster than they were in the 1990s, causing changes to ecosystems and human communities.