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

VOA: standard.2009.09.02

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