8 sentences with “tonnes”

-Don't kid yourself," Kim replies, shaking his head. We've already got 28 million tonnes of ore out of here.

A project is already underway to place 600 tonnes of lead at the top of its foundations to prevent it from collapsing.

It is estimated that Antarctica absorbs about five tonnes of lead per year, compared to 500 kilograms a few millennia ago.

The North Sea, for example, receives about 700,000 tonnes of phosphates annually. These and other waters produce what scientists call eutrophication.

Twenty-five tonnes of helium-3 can provide as much electricity as the United States consumes in an entire year. And that cargo fits into the holds of a space shuttle.

Since mining began 12 years ago, the Argyle in Western Australia has yielded 400 million carats (80 tonnes) of diamonds, a third of the world's annual production, which has resulted in exports of more than $400 million a year.

The Aral Sea is suffering terrible consequences. Ships are stranded on a sea of sand. Until a few years ago, the Aral Sea produced more than 50,000 tonnes of fish a year. Today, a large part of its fishing fleet is stranded in the desert.

Cloud formations bring sand from the Sahara to the European snow, and it is only a tiny portion of the million tonnes a year that the Sahara transports to Europe. What a conclusion: there is no doubt that, these days, deserts are advancing far beyond their vague borders.