This offshore wind farm in Denmark includes 72 turbines and generates enough clean energy to power 110,000 homes.
Click on image for full size
What is "Carbon Neutral"?
Every time we ride in a car, fly on an airplane, or turn on our computers we are adding
to the atmosphere. This is because most of the energy we use comes from burning fossil fuels like oil, coal, and gas. Other types of energy, like solar and wind power, do not contribute to
but they are often more expensive.
If someone wants to be "carbon neutral", it means they would like to remove just as much
carbon dioxide and other greenhouse gases from the atmosphere as they put in. How can we remove carbon dioxide from the atmosphere? One way is to buy "carbon offsets" that support projects like a
wind farm or solar park. This helps make renewable energy more affordable, and reduces future greenhouse gas emissions to make up for our travel and electricity use today.
Start with the
Carbon Calculator link below to find out how much carbon dioxide is released by the things we do every day. Then explore the list of projects that provide
Carbon Offsets for anyone who wants to be "carbon neutral".
Shop Windows to the Universe Science Store!
The Summer 2010 issue of The Earth Scientist
, available in our online store
, includes articles on rivers and snow, classroom planetariums, satellites and oceanography, hands-on astronomy, and global warming.
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