Earth's Climate is Changing!
Carbon Dioxide (CO2) in the earth's atmosphere enables some of the sun's energy to warm the earth and make it a comfortable place to live. For hundreds of thousands of years, the concentration of CO2 in the atmosphere stayed between 200 and 300 parts per million. Today, it's up to nearly 400 parts per million, and the amount is still rising.
This extra Carbon Dioxide, along with other greenhouse gases, is trapping more heat and causing the climate to change. One of the most important trends that scientists look at as they consider these changes is the average temperature of the Earth, which has been increasing for many years. This is called global warming. This warming in turn causes disruptions to all the global climate systems.
Why Is This Happening? It's US!
The world's scientists have concluded, with more and more certainty, that the rising levels of greenhouse gases in the atmosphere and the warming of the earth's surface are occurring primarily because we are burning fossil fuels.
What are the Impacts?
Scientists and economists predict that If warming exceeds 2 to 3oC (3.6 to 5.4oF) over the next century, there will be significant negative impacts, including:
What Can We Do About This?
Want to Know More?
There are plenty of web sites that explain all this much better than we can. One we find especially informative is the EPA's Guide to Global Climate Change
The most scientific information comes from the Intergovernmental Panel on Climate Change (IPCC), the Scientific Body under the auspices of the United Nations, that reviews and assesses the latest information worldwide relavent to the understanding of Climate Change
We have links to still more information on this website - Click here
Click here to return to our Climate Change portal