We have become a force of nature.

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.

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

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

Birds are, especially canaries, are super sensitive to hydrogen sulfide and sour gas.

All those hours exploring the great outdoors made me more resilient and confident.