Fewer than 200 years ago, burning wood, which has a 50 percent carbon content, was the primary energy source for heating and cooking. The unearthing . . .
Form, function and climate change
West Marin's Pulitzer Prize-Winning Weekly
Fewer than 200 years ago, burning wood, which has a 50 percent carbon content, was the primary energy source for heating and cooking. The unearthing . . .