"Oil operations in Alaska are specially designed for freezing conditions. But as the climate changes, the state is warming twice as fast as the rest of the country. That poses a challenge for the oil industry, and a boon for Alaska businesses that are creating products to help it cope.
Brian Shumaker is one such entrepreneur who knows how tricky it can be to operate in the Arctic, where he once did some engineering work for oil companies.
'Imagine for a moment you've just landed in a helicopter out on the tundra,' he says, 'you're about a hundred miles from anywhere, and it's costing you a dollar a second to be here.'"