Hydrologic Cycle

Water: Is the Glass Half Empty or Half Full?

David Suzuki | Posted 10.29.2012 | Canada
David Suzuki

Just as human activity is upsetting Earth's carbon cycle, our actions are altering the water cycle. Water is our most precious resource, but we waste it, just as we waste other resources, including oil and gas. When we use so much that the system can't renew itself, we create shortages and drought. When we pollute it, we make matters worse.

How to Become an Environmentalist

David Suzuki | Posted 08.21.2011 | Canada
David Suzuki

Reports about floods and droughts and sea ice and climate change get sandwiched between clips about scandals and celebrities, and so we view them as isolated events. An environmental perspective would consider the possibility that many of the events are connected to an underlying cause.