1 matching entry and 3 matching sentences.
Sentences
Saving energy can reduce the emission of greenhouse gases into the atmosphere.
Source: Tatoeba
Stanford University electrical engineering professor Shanhui Fan said the panels—which include a layer of material similar to what is found in sand—act like a kind of high-tech mirror, both siphoning heat out of the buildings and reflecting the sun's rays, sending both 100 kilometers up into the coldness of space.
Source: Tatoeba
Trees give off oxygen and absorb carbon dioxide.
Source: Tatoeba