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

Humans are an infant species, a mere 150,000 years old. But, armed with a massive brain, we've not only survived, we've used our wits to adapt to and flourish in habitats as varied as deserts, Arctic tundra, tropical rainforests, wetlands and high mountain ranges.

People.. especially people in positions of power.. have invested a tremendous amount of effort and time to get to where they are. They really don't want to hear that we're on the wrong path, that we've got to shift gears and start thinking differently.

We are playing Russian roulette with features of the planet’s atmosphere that will profoundly impact generations to come. How long are we willing to gamble?

Global trade has advantages. For starters, it allows those of us who live through winter to eat fresh produce year-round. And it provides economic benefits to farmers who grow that food.

Many instances of persecution and killing have occurred in countries with atrocious human rights records such as Sri Lanka, Guatemala and the Democratic Republic of Congo.

If America wants to retain its position as a global power, its president must listen to the people and show strong leadership at this turning point in human history.