
Humans have been burning fossil fuels for only about 150 years, yet that has started a cascade of profound changes that at their current pace will still be felt 10,000 years from now, a new study shows.

As they get to know their ship, the scientists aboard the JOIDES Resolution prepare to drill their first sediment cores along the Natal Valley off the coast of southern Africa.
By concentrating human population in cities, we will make it possible to preserve land for wilderness, ecosystem maintenance and agriculture. People will travel to these places and will experience nature, but only a fortunate few will live close to nature.

Last Thursday, thousands of people on the Eastern Seaboard felt the earth tremble. Seismologists at Columbia University’s Lamont-Doherty Earth Observatory quickly concluded it was not an earthquake, but a military exercise.