Obama needs to prove that his party's model of governance is actually sustainable, a better opportunity than this one is unlikely to come around, and to sacrifice that opportunity on the altar of, say, a hypothetical climate-change breakthrough two years from now would be political malpractice.
The newly proposed EPA rules on CO2 emissions from power plants represent a breakthrough not only in the US Government ambition to halt climate change, but also a breakthrough in the methods used to do so.
He called the health care deal "a major step forward" and the climate change agreement an "important breakthrough".
Two other problems strongly affected by the developments which have given rise to the breakthrough of global modernity are climate change and ecological degradation – simply because this breakthrough dramatically amplifies the factors driving them (for a few hints, see [78]).
The Paris agreement marked a breakthrough on climate change.
A significant breakthrough in climate change negotiations and national action needs to happen in order to start confronting the enormous challenges posed by global warming in 2011, although don't hold your breath waiting for this to happen.
This is especially as the leaders of the world's biggest economies, the US and China, are arriving from another big summit, Apec in Beijing, where a significant breakthrough on climate change was announced by Presidents Obama and Xi who agreed to limit emissions.
"Breakthroughs on climate change and improving our society's energy efficiency are within reach".
However, regardless of the reason for their silence, some critics have argued that it prevents essential political breakthroughs on climate change.
A day spent in Davos would make you think that we are the verge of policy and political breakthroughs in climate change.
"Australia will lead by example in the way we invest in and reward technology … it will be innovation and technological breakthroughs that will ultimately bring the breakthroughs in our climate change responses," she said.
