It also runs two of the world's four big carbon-capture schemes.

该公司还执行着全球四大碳捕捉方案中的两项。

youdao

Buying homegrown produce would seem to make more environmental sense. After all, transporting, refrigerating and storing tomatoes, creates a big carbon footprint.

买本地西红柿更环保，因为运输、冷藏、储存要产生不少二氧化碳。

youdao

If he succeeds in curbing the emission of carbon dioxide—if it costs big—it would be a huge gain for America.

如果他成功地遏制了二氧化碳的排放——尽管付出了很大的代价——这对美国来说将是一个巨大的收益。

youdao

The best way to raise a big carbon crop, though, is to do what Russell Hughes did on part of his farm in Searsboro, Iowa.

NPR: Iowa Farmers Look to Trap Carbon in Soil

And as we move forward over the next several years, my hope is, is that the United States, as one of several countries with a big carbon footprint, can find further ways to reduce our carbon emissions.

WHITEHOUSE: President Obama��s News Conference with Prime Minister Gillard of Australia | The White House

But first, you need to calculate how big your carbon footprint is.

BBC: How big is your carbon footprint?