When gentrification begins, neighborhoods can become more integrated and diverse -- but too often, they then end up predominantly white.
Interior Secretary Sally Jewell made noises about reforming oil, gas, and coal leasing, but don’t hold your breath for dramatic change.
If New York's suburbs build more dense, affordable housing, it will be good for lower-income residents -- and for the environment too.
A vibrant movement has grown out of organizing efforts for the People’s Climate March, and they’re making New York even more of a climate leader.
Senate Republicans attempted to undermine Obama on nuclear talks with Iran. Don’t expect them to behave any better around climate talks.
Thanks to a disclosure law in California, we now know that frackers are polluting water with petroleum chemicals, heavy metals, radioactive elements, and carcinogens.
A marketing consultant tried to get me to write a column about solar startup in exchange for a panel. It didn't work.
Despite what you may have heard, rich people and the middle class are still holed up in the suburbs -- and that's bad for cities and the climate, too.
The NYC police chief is blaming a rise in the murder rate on pot, which makes absolutely zero sense. If we want safer cities, we should legalize pot.