How Much Will Sea Level Rise?
There are two main reasons why sea level is rising as the world gets warmer. First, as ice sheets and glaciers melt, they send ice and water pouring into the oceans.
What is the difference between global warming and climate change?
Depending on who’s talking, there can be an enormous difference between global warming and climate change—or no difference at all.
How do we know it’s not a natural cycle?
When scientists look at climate variations in the past, they don’t see anything like today’s warming.
What is the greenhouse effect?
The greenhouse effect happens when sunlight warms the Earth, and molecules in the atmosphere intercept the resulting heat before it can escape to space.
