The failure of world leaders to act on the critical issue of global warming is often blamed on economic considerations.

Beyond reducing individual use, one of our top priorities must be to move from fossil fuels to energy that has fewer detrimental effects on water supplies and fewer environmental impacts overall.

Think about a seed. Once it lands, it's stuck. It can't move to find better soil, moisture or sunlight. It's able to create every part of itself to grow and reproduce with the help of air, water and sun.

Any politician or scientist who tells you these [GMO] products are safe is either very stupid or lying.

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.

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

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.