Weather forecasts are only skillful up to about a week but climate models can provide valuable information much farther into the future. How is this possible? Think about planning a camping trip and growing a garden.
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The greenhouse effect occurs naturally, but human actions are to blame for current global warming. How is this possible? Think about living in a house.
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Stratospheric temperatures have been cooling over the past few decades and even reached a record low in 2016. Clearly there is no global warming, right?
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The atmosphere is so big. How could human actions really have an impact? Have you ever burned a piece of toast in your kitchen? Maybe our atmosphere isn't so big after all...
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If we suddenly stopped emitting carbon, global temperatures would continue to increase. How is this possible? Think about heating a loaf of bread.
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Atmospheric water vapor is increasing, resulting in higher global temperatures, and human actions are to blame. How is this possible? Imagine that you are sitting in a boat in the ocean.
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Sea ice grows in the Arctic each winter, but Arctic sea ice extent has been declining in recent decades. How is that possible? Think about walking your puppy down a hill.
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We know that temperature rises with CO2 levels normally, but what explains the huge jump in the last two centuries? Here's a hint: us.
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