As both developed and developing nations search for alternative sources of energy in response to the growing energy crisis, we at Acumen Fund believe that investing in entrepreneurs who provide innovative energy solutions is an increasingly critical part of the solution.

I think I still have a great sense of adventure and trust, and am surprisingly idealistic given all the horrible things I've seen since I was 25. I think how I have changed is that I have a much deeper understanding of the dark forces in the world, of power.

Even when early innovations start to succeed, it is not uncommon to see growing businesses sabotaged for threatening the status quo.

Impact investing has become a broad umbrella that includes all investing with a focus on both financial return and social impact, but in its best form, impact investing prioritizes impact over returns and achieves outcomes that traditional investing cannot.

Of course climate changes. Many changes are due to factors over which humans have no control, such as winds, ocean currents, and sun activity. But the liberals want us to believe that climate change is also caused by gases expelled when humans burn so-called fossil fuels.

Unless action is taken soon - unless we can display the same vision of that earlier period - we will lose the treasure of California's open space and environmental beauty.

World Migratory Bird Day is an opportunity to celebrate the great natural wonder of bird migration - but also a reminder that those patterns, and ecosystems worldwide, are threatened by climate change.

China is bearing the environmental cost for much of the world because China is the factory of the world.