This is Tokyo in the winter, kids snowing in the snow. The weather all over the world in crazy, fires in California, drought throughout the coast, and cold weather in Canada – today 11°C. The weather is getting worse as global warming causes tremendous difficulty.

In other places, coral reefs are highly sensitive to small changes in water temperature. Heat triggers corals to shed the algae that nourish them—a bleaching event that leaves coral white.

Rising seas are one of the most certain effects of global warming as warming ocean waters expand and melting glaciers, ice caps and ice sheets add more water to the oceans.

During the 20th century, sea level rose an average of 7 inches after 2,000 years of relatively little change. They predict that sea levels could rise 40 centimeters by 2100 if current warming patterns continue.