Mayor Bloomberg wants an all-green fleet — like San Francisco — but that effort has been stymied by a lawsuit. So the 6 Nissan Leaf taxis introduced on Earth Day are a pilot program, but that might lead to greater things ahead.

With scientists expecting a wild Atlantic hurricane season this year, here's a look at how, where and when hurricanes form, and what you can do to be ready.

A study found that when larger-sized sugary drinks are offered as bundles of smaller-sized drinks, people are likely to buy more drinks.

The future isn't looking great for the Callery pear, an urban tree beloved for its beauty but bemoaned for its odor.