The vast majority of steel manufactured in the world is produced using the basic oxygen furnace in 2000, it accounted for 60 of global steel output.

In 2012, Chinese questioned the frustrating ticket booking website that cost the railways ministry 300 million yuan (47.8 million US dollars) to build, as well as promotional video that cost 18.5 million yuan (2.94 million) to produce.

Around 70 of the world's total citrus production is grown in the Northern Hemisphere, in particular countries around the Mediterranean and the United States, although Brazil is also one of the largest citrus producers.

But as I was moving away from the traditional classical repertoire and trying to find new ways of musical expression, I realized that with today's technological resources, there's no reason to limit what can be produced at one time from a single string instrument.

If you would use a little bit of your technology to put tracking devices in trucks, and use Google Earth in combination with that, you could directly tell what palm oil has been sustainably produced, which company is stealing the timber, and you could save so much more carbon than with any measure of saving energy here.