All agreed that global temperatures should not rise by more than an average of two degrees Celsius above pre-industrial levels.

VOA: special.2009.07.11

But scientists disagree about how much sea levels could rise if Antarctica's ice sheets continue to melt.

VOA: special.2009.06.03

Mister Gray says studies have linked a rise in testosterone levels to reduced stress in men.

VOA: special.2009.03.24

The team predicted sea levels would rise by about three meters.

VOA: special.2009.06.03

And sea levels could rise by one half meter.

VOA: special.2009.05.12

He also led a study that showed that airborne particles produced by automobile exhaust, industry and coal or oil fired power plants can cause blood pressure to rise to dangerous levels.

VOA: standard.2010.08.04