Tag Archives: ecology

RIO+20 Talks Need to Consider Physical Limits

Posted on June 19, 2012 by Gail Tverberg

RIO+20, the United Nations Conference on Sustainable Development, is to be held this week on June 20-22 in Rio de Janeiro. The term Sustainable Development seems to me to be almost a contradiction in terms. One dictionary gives the definition … Continue reading →

Posted in Energy policy, News Related Post | Tagged , , , , | 42 Comments

True sustainability solutions

Posted on March 31, 2012 by Gail Tverberg

We live in a world with very limited solutions to our sustainability problems. I often hear the view, “If we would just get off fossil fuels, then our society would be sustainable.” Or, “If the price of oil would just … Continue reading →

Posted in Planning for the Future | Tagged , , , , , , , , | 119 Comments

Human population overshoot–what went wrong?

Posted on February 15, 2012 by Gail Tverberg

There are seven billion people on earth now. I originally thought that the primary reason for the recent human population explosion was that fossil fuels enabled a larger food supply and better medicine, and thus a higher population. While the … Continue reading →

Posted in Planning for the Future | Tagged , , , , | 153 Comments