Able to pull a sled up to 120 kilometers per day, Greenlandic dogs have long been used by Inuit hunters on the sea ice tracking seals and whales in the winter. Now, as the effects of climate change are felt across the vast territory and winters become less predictable, there are concerns for the dogs’ future.
Plastics: beauty and the beast
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Most plastics can be made from hydrocarbons present in natural gas, oil and coal.
They are made up of chains of molecules linked together called polymers.
There are two main families of polymers:
Thermoplastics, accounting for some 80 percent of global plastics consumption. They melt when heated,...
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