Saying the Tech Bloom is not commercially driven is like saying Mother Teresa had an interest in the poor.

Cabbies in particular seem to like discussing the fate the Earth.

There's no law of physics that says we have to be an unsustainable society - in fact, quite the opposite. The planet's ready to work with us if we're ready to think differently, but we do have to make that jump and start to do things in new ways.

For most people, using the Internet broadens their sense of who 'we' is and actually ends up leaving us in a place of greater compassion and understanding. It leaves us more connected to a larger group of people and more at one with a lot more people in our community.

Clean air and water, a diversity of animal and plant species, soil and mineral resources, and predictable weather are annuities that will pay dividends for as long as the human race survives – and may even extend our stay on Earth.

In almost all city governments in America, the small group of people who don't want change are able to block change.

Carbon zero simply means that the emissions you are releasing either are zero or balance out to zero.