• Two scientists on a glacier.

    Climate Change

Climate Questions

Despite the preponderance of scientific evidence about the realities of climate change, in some cases the media still portrays it as a controversy. This leads to confusion and many people are left with questions about climate change. Explore some of the frequently asked questions about climate and climate change.

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  • Do scientists agree about climate change?

    Two scientists taking an ice core from a glacier

    According to a recent survey by the Intergovernmental Panel on Climate Change (IPCC), 97 percent of climate scientists agree that global climate change is occurring and that human activity is the primary cause. Read more

  • How can we have harsh winters and global warming at the same time?

    Flooding of the North Maintenance Area at Sandy Hook

    While we may use the terms "climate" and "weather" interchangeably, they are two very different things. "Weather" describes day-to-day conditions; "Climate" is the average of these weather conditions over long periods of time. As Mark Twain put it, "Climate is what we expect, weather is what we get." Read more

  • Is climate change affecting us already?

    Thawing permafrost

    We are seeing impacts in many places around the world. Many fragile ecosystems and cultural resources are in danger of disappearing forever. Read more

  • Isn't climate change a natural process?

    Egret in swamp

    Earth's temperature fluctuates naturally over tens of thousands to millions of years. Scientists take these fluctuations into account when they assert that we are currently experiencing unique conditions in Earth's history. Read more