It has taken a deadly viral outbreak, but China has finally banned the wildlife trade.
Over the past three centuries atmospheric levels of the greenhouse gas has increased by some 150%.
Warming temperatures are primarily to blame for the dramatic decline in bumblebee numbers, scientists say.
There is now a way to generate enough power from a single drop of rain to light up 100 small LED bulbs.
Illegal wildlife traders in Laos and China are seeking to cash in on fears over the outbreak.
The process works without the accumulation of salt or concentrated brine.