Today we discuss the greenhouse effect.

VOA: special.2009.12.22

From the greenhouse, these orchids are carefully transported to the Botanic Garden, at the base of the U.S.Capitol.

VOA: standard.2010.02.21

How can you not like that?" Atyeo moves through the greenhouse like it's his own house.

VOA: standard.2010.02.21

"But,it is also many of the gases, which are the greenhouse gases that are also influencing the quality of the air when they are abundant in the lower atmosphere."

VOA: standard.2009.03.23

In Washington, the Environmental Protection Agency on Monday declared carbon dioxide and other greenhouse gases a threat to public health.

VOA: special.2009.12.12

They say rich nations created the problem, so they should take most of the responsibility for reducing greenhouse gases.

VOA: special.2009.12.26

The Global Research Alliance on Agricultural Greenhouse Gases was launched at the United Nations conference on climate change.

VOA: special.2010.01.05

She says that raising animals for food is responsible for the release of more greenhouse gases than all forms of transportation combined.

VOA: special.2009.11.06

Twenty-one nations around the world recently joined forces to better understand and prevent greenhouse gas emissions from farms.

VOA: special.2010.01.05

An official of the European Commission's Directorate General for Research says agricultural greenhouse gas emissions can be cut.

VOA: special.2010.01.05

The U.S.D.A.will share the research with other countries in the Global Research Alliance on Agricultural Greenhouse Gases.

VOA: special.2010.01.05

The voluntary agreement urges major polluters to make deeper cuts in the release of greenhouse gases.

VOA: special.2009.12.26

United States Agriculture Secretary Tom Vilsack said no one single nation can fight agricultural greenhouse gas emissions and increase food production at the same time.

VOA: special.2010.01.05

Experts say that agriculture provides fourteen percent of the world's greenhouse gas emissions each year.

VOA: special.2010.01.05

A common design looks like a high tunnel.Unlike a greenhouse, which uses a heating system, a hoop house is heated by the warmth of the sun.

VOA: special.2009.12.22

At the same time, orchids produced in factories have become an important greenhouse crop.

VOA: special.2010.04.06

You can also start the seeds in your home or a greenhouse.

VOA: special.2009.04.21

The United States and China are the biggest producers of greenhouse gases.

VOA: special.2010.01.19

The projections are estimates of future amounts of such greenhouse gases.

VOA: special.2010.11.23

The orchids in the Botanic Garden's greenhouse belong to about 5,000 species and there are more than 8,000 plants.

VOA: standard.2010.02.21

The goal was to reach a legally binding agreement to reduce greenhouse gas emissions, blamed for heating up the atmosphere.

VOA: standard.2009.12.06

Does measures seem to low emissions of greenhouse gases by raising the cost of gasoline, coal,natural gas and other fossil fuels.

VOA: standard.2009.12.12

In Washington Monday, the U.S.Environmental Protection Agency declared greenhouse gasses a "threat to public health and the welfare of the American people."

VOA: standard.2009.12.09

That's bad news for the environment,he says, because deforestation produces around 17 percent of global greenhouse gas emissions.

VOA: standard.2010.07.28

Johnson concludes that farmers can handle the costs of capping greenhouse gases, especially because the costs of doing nothing could be far worse.

VOA: standard.2009.12.12

Carbon intensity is defined as the amount of greenhouse gases emitted for each unit of nation income.

VOA: standard.2009.11.26

Last fall we turned down temperatures,down into the 50s in this greenhouse, which initiates flower buds."

VOA: standard.2010.02.21

In Copenhagen, experts and officials alike are putting the emphasis on what people and governments can do to cut the emission of greenhouse gasses.

VOA: standard.2009.12.09

The European Union is at the forefront of a global push to reduce greenhouse gas emissions.

VOA: standard.2009.11.26