A new study shows the Arctic climate system may be more sensitive to greenhouse warming than previously thought, and that current levels of Earth’s atmospheric carbon dioxide may be high enough to bring about significant, irreversible shifts in Arctic ecosystems.
In the next ten years, prices for agricultural products in the world will grow in real terms by 15-40%, say experts from the Organization for Economic Cooperation and Development and the Food and Agriculture Organization of the UN. The reason for it is the increasing demand for food in developing countries and production of biofuels.
New Haven, Conn. — Paleontologists have discovered the oldest mammalian tooth marks yet on the bones of ancient animals, including several large dinosaurs. They report their findings in a paper published online June 16 in the journal Paleontology.
Exposure to violent crime may exacerbate asthma in children, according to a study presented on Saturday, May 1 at the Pediatric Academic Societies (PAS) annual meeting in Vancouver, British Columbia, Canada.
