W's dff btwn 'tonne' and a 'ton' - merely spelling, or different metric unit value?

Question

is there a difference, or do both denote one thousand kilograms in metric measurement?

what does the unit mean in the context of the

'675,000 tons' quoted in this article

http://www.onearth.org/article/bad-blood?

thank-u!

Answer 1

A unit of weight equal to 1,000 kilograms, or 2,204.6 pounds.

Long Tons (UK) A long ton is a British measurement and equivilent to 2,240 pounds. Not to be confused with the US "short ton"

Short Tons (US) United States measurement also known as a short ton that equals 2,000 pounds

Answer 2

"Ton" and "Tonne" are the same measurement, with different spelling. It was originally a "Tonne", an old Gallic word from Britain, but became "Ton" in America, and has been used interchangeably ever since.

In the context of the article, it is talking about 675 million kilograms of DDT dumped by crop dusters between 1940 and 1960 (1 Ton = 1000 kilograms).

Answer 3

A tonne is the synthetic name applied to a weight of 1,000 kgs. A ton was an old British unit of 2,240 pounds. Close in weight to a tonne. The tonne was adopted when countries convert from imperial to metric