DALLAS (November 12, 2009)--An environmental group said Thursday Texas still leads the nation in greenhouse gas pollution, but has decreased emissions slightly in recent years in part because the state's using more renewable energy.

Environment Texas released a report Thursday that shows the state's release of the gases linked to climate change dropped 2 percent between 2004 and 2007.

In that same period, 33 states increased their emissions.

The report analyzed the most recent U.S. Department of Energy statistics to calculate carbon dioxide emissions from oil, coal and natural gas from 1990 to 2007.

It found that emissions from fossil fuels went up 19 percent between 1990 and 2007, but has slowed in recent years.