Articles by Grist staff

Tata Motors unveils world’s cheapest car in India

Photo: TaTa Motors The world’s cheapest car was unveiled in India today by Tata Motors, which hopes that its new $2,500 subcompact will help make car ownership a reality for tens of millions of people. The Tata Nano gets respectable gas mileage, up to 58.8 miles per gallon, and meets India’s emissions standards, but its […]

Use of “smart grid” technology could save U.S. $120 billion, study says

A yearlong study by the Department of Energy has concluded that when consumers are given the means to closely track and adjust their energy usage, power use declines by an average of 10 percent. In addition, the study found that households’ electricity usage during peak times fell by up to 15 percent. The study estimated […]

Coral reefs suffer from proximity to humans, says study

The main factor contributing to declines in coral-reef health is proximity to human populations, says new research in the journal Proceedings of the Royal Society of London B. A study of 322 reef sites in the Caribbean found that many suffered significant damage from overfishing and agricultural runoff. Author Camilo Mora estimates that reefs in […]

Warming climate may lead to spread of dengue fever in U.S., say health officials

Climate change is likely increasing cases of malaria in Kenya, various viral diseases in Australia’s outback, and tropical dengue fever in the U.S. “Widespread appearance of dengue in the continental United States is a real possibility,” write Dr. Anthony Fauci and Dr. David Morens in a commentary in the Journal of the American Medical Association. […]