Cleft sentences and inversion

... meat production that accounts for most of the world's agricultural land use, representing around 80 percent of farmland worldwide.

Not only ...  cattle take up land themselves, but farmland is also used to grow animal feed.

... this loss of habitat that especially concerns environmentalists.

In some parts of the world, what farmers  ... cutting down previously wildlife rich forests just to keep up with our demand for meat.

...the gases from industrialisation that have caused the greenhouse effect.

What scientists  ...is analyse air that's 800,000 years old, trapped under the ice in Antarctica.

Never  ...there been more carbon dioxide in the atmosphere than there is now.

.........happened was that average temperatures rose by one degree Celsius last century.

Not only  ...we observing a rise in sea levels, but also many more extreme weather events.

If we don't act now,  ....we're doing is creating problems for future generations.

....cheapest holiday they had ever been on, but also the best.

... identify stress as a major cause of insomnia.