Canada, more than any nation, will be affected by rising sea levels from global warming.

In the environmental movement, every time you lose a battle it's for good, but our victories always seem to be temporary and we keep fighting them over and over again.

The damage that climate change is causing and that will get worse if we fail to act goes beyond the hundreds of thousands of lives, homes and businesses lost, ecosystems destroyed, species driven to extinction, infrastructure smashed and people inconvenienced.

Humanity is facing a challenge unlike any we've ever had to confront. We are in an unprecedented period of change.

Just as human activity is upsetting Earth's carbon cycle, our actions are altering the water cycle.

There are some things in the world we can't change.

Perhaps the whole world is actually a banquet, to which every living thing is invited. First you come as guests: then eventually you're on the menu.