Some energy experts and environmentalists have expressed skepticism about the benefits of biofuels, especially ethanol produced from corn.

VOA: standard.2009.09.02

The New York Times says the legislation falls far-short of many European governments and many environmentalists said it needed it What does Thomas Sowell has to say about the cap and trade legislation?

纽约时报评论说这项立法,远远比不上许多欧洲政府，“,许多环保人士说需要的额度,托马斯，索尔对此,总量控制与交易立法以为何如？

斯坦福公开课 - 经济学课程节选

In recent years environmentalists have attempted to disrupt Japan's annual whale hunt in the icy Southern Ocean.

VOA: standard.2010.01.06

European leaders and environmentalists hailed as good news President Obama's decision to attend at least part of next month's climate summit in Copenhagen.

VOA: standard.2009.11.26

Environmentalists are trying to encourage Sierra Leone's salt producers to use other methods, including drying salt in the sun, to reduce the strain on mangroves.

VOA: standard.2010.03.29

Environmentalists here call these industrialized countries the "historic polluters" of the planet.

VOA: standard.2009.11.27

He says environmentalists have been repeating the same tragic predictions for decades.

VOA: standard.2010.01.23

That view drew strong criticism from environmentalists.

VOA: standard.2009.09.16

His advocacy of intensive, high-yield agriculture came under criticism from environmentalists in recent years, but Borlaug and those who followed his lead argued that older methods of sustainable farming could not produce enough food to prevent hunger in poorer regions of the world.

VOA: standard.2009.09.13