Our planet has not seen an extinction crisis as serious as the one in progress for 65 million years.

And that, quite simply, is the issue. We live in a finite world with finite resources. Although it may sometimes seem quite big, earth is really very small - a tiny blue and green oasis of life in a cold universe.

Just as fossil fuels from conventional sources are finite and are becoming depleted, those from difficult sources will also run out. If we put all our energy and resources into continued fossil fuel extraction, we will have lost an opportunity to have invested in renewable energy.

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.

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

There is a gyre of discarded floating plastic the size of the continental USA in the ocean. In it, plastic trash outweighs plankton 40 to 1.

The one thing I feel is very hopeful, however, is the overwhelming participation of women in the movement for change.