Sentences with phrase «uncertainty of human actions»

They are not trying to accurately predict the future, but rather provide a range of possible outcomes based on the uncertainty of human actions.

Not exact matches

This is a familiar dodge - emphasizing uncertainty about the precise amount of humanity's contribution while ignoring the broad scientific consensus that human activities are largely responsible for dangerous warming of our planet and that action is urgently needed before it is too late.

«A full reading of Bernstein's email reveals an important point ---- his assertion that, in the 1980s, we never denied the possible role of human activity as a cause for climate change, and he further makes clear that, at that point in time, there was a great deal of uncertainty and lack of understanding of climate change, even among leading scientists and experts,» said Keil, adding that today, Exxon «believes the risk of climate change is clear, and warrants action.»

This is part of what it means to think politically, because politics is about action in a realm of uncertainty; politics is about human choice, but these choices are not infinite.

In humans and other primates, self - directed displacement behaviors often take the form of self - grooming actions, such as head scratching or beard stroking, which indicate anxiety related to uncertainty, social tension or impending danger.

However, any effort at assessing climate impacts on agriculture faces multiple levels of uncertainty, including uncertainty that a) accompanies all climate projections, b) is specific to agricultural projections, and c) is created by adaptive actions (human interventions) that can mask a direct climate signal.

These revisions are one example of a strategy we saw Carson use consistently: Add uncertainty at the level of ignorance to destabilize the science, then articulate the harms, hazards, or consequences behind our current actions, and drive it home with a visceral image of risk (which she does in this example through images of liver damage, the accumulation of DDT in milk and butter, and the ability of toxic chemicals to pass to breast - fed human infants, and to a fetus in utero).

One of the joys of the Anthropocene is that since human actions create uncertainty, there is no certain way forward.

And it was recognized those actions were a crap shoot (Where good science and policy goes bad: de-salinization plants in Oz rather than managing episodic flooding, drilling 20,000 ′ below a seafloor 5,000 ′ under a precious biosphere to seek oil that is abundantl available on dry land, for examples), but can anyone name a project of doubt on the scale of this one where unspeakable trillions are to be spent, redistributed, productivity disincentized, where people's lives across the world will be thrown into uncertainty, where this trans - generational mindset will, by design, crush the willful and spirited energy and creativity of human kind until it is finally overthrown democratically or otherwise?

If a nation emitting high levels of ghgs refuses to reduce its emissions to its fair share of safe global emissions on the basis that there is too much scientific uncertainty to warrant action, if it turns out that human - induced climate change actually greatly harms the health and ecological systems on which life depends for tens of millions of others, should that nation be responsible for the harms that could have been avoided if preventative action had been taken earlier?

The University of Earth, Urgent Action Series: COP 21 Paris 2015: Dr Georg Kaser of Innsbruck University, an expert in glaciers and global warming, explains the uncertainty calculation, a scientific tool needed to gather reliable results, and anthropogenic forcing, which is a change in the Earth's energy balance due to human economic activities.

Given that for over 20 years since international climate change negotiations began, the United States has refused to commit to reduce its greenhouse gas emissions based upon the justification that there is too much scientific uncertainty to warrant action, if it turns out that human - induced climate change actually greatly harms the health and ecological systems on which life depends of others, should the United States be responsible for the harms that could have been avoided if preventative action had been taken earlier?

Both the Hubbert model (s) and IPCC scenarios suffer from the uncertainty introduced by the unpredictability of future human actions, and socioeconomic forecasting even more so.