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

Other things, like capitalism, free enterprise, the economy, currency, the market, are not forces of nature, we invented them. They are not immutable and we can change them.

Debating the best way to do something we shouldn't be doing in the first place is a sure way to end up in the wrong place.

Because countries often have differing political and economic systems, agreements are needed to protect those invested in trade.

Thanks to evolution, our bodies have powerful ways to ward off illness and infection and enable us to live long and healthy lives. Why, then, do health costs continue to climb at unsustainable and frightening rates?

Water is our most precious resource, but we waste it, just as we waste other resources, including oil and gas.

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