Environment - Global Warming
- Alberta Environment - Air, climate change, fish and wildlife, forests, land, parks, water and waste.
- BeGreen Now - information about the causes and effects of global warming, how carbon offsets work and why they’re good for the environment.
- Carbon Calculator - calculate the size of your carbon footprint.
- Care2 - One person can make a difference. Whether you’re passionate about green living, health, human rights or protecting the environment, Care2 puts the tools for change in your hands.
- WorldChanging - the tools, models and ideas for building a better future lie all around us.
- Yahoo! Green - Together, We Can Help Fight Global Warming
- Zaadz - committed to a sustainable future.
- zerofootprint - Products and services for individuals, organizations and cities to help reduce their environmental footprint.