What Greens Like Me Got Wrong About Global Warming

In my 50 years in the environmental movement, the decision I most regret is one I made in 2005. As the executive director of the Sierra Club, I decided the organization should largely ignore methane, a potent greenhouse gas, and focus on carbon dioxide, the most prevalent heat-trapping gas in the atmosphere and a byproduct of burning fossil fuels like coal, oil and gas. Read Full Article »