Danny Kennedy is a leading clean energy entrepreneur and co-founder of the global solar company Sungevity.
In November, government representatives all across the world meet again to implement the Paris Agreement on climate change. The centre of contention will now shift from political jockeying between nations, to the energy war between renewables and fossil fuel.
While last year's COP21 was full of promise for a new direction in global climate politics and a rapid uptake of clean energy technology, the world is looking for tangible actions.
As the world's biggest polluters, the announcement of ratifications by the United States and China around the G20 is a big deal, but so are the examples being set by some of the world's tiniest nations.