When there is evidence for the growth of a large ice sheet on Antarctica or on Greenland or the growth of sea ice in the Arctic Ocean, we see evidence for
a dramatic change in carbon dioxide levels over the last 20 million years.
Researchers believe such
dramatic changes in the carbon dioxide system in surface waters have not been observed for more than 20 million years of Earth history.
Not exact matches
This suggests that storing
carbon in forests, agricultural areas, and other ecosystems is an important and cost - effective part of a bigger
carbon dioxide emissions control strategy that includes
dramatic changes to the global energy system.
«We have shown that this
dramatic rise
in sea level is associated with an increase
in carbon dioxide levels of about 100 parts per million, a huge
change,» Tripati said.
But although
change in that vast watershed of western US and Mexico called the Great Basin is contemporaneous with the Industrial Revolution, and the rise of
carbon dioxide levels
in the atmosphere, other human activities may have triggered the
dramatic alteration.
Choice 1: How much money do we want to spend today on reducing
carbon dioxide emission without having a reasonable idea of: a) how much climate will
change under business as usual, b) what the impacts of those
changes will be, c) the cost of those impacts, d) how much it will cost to significantly
change the future, e) whether that cost will exceed the benefits of reducing climate
change, f) whether we can trust the scientists charged with developing answers to these questions, who have abandoned the ethic of telling the truth, the whole truth and nothing but, with all the doubts, caveats, ifs, ands and buts; and who instead seek lots of publicity by telling scary stories, making simplified
dramatic statements and making little mention of their doubts, g) whether other countries will negate our efforts, h) the meaning of the word hubris, when we think we are wise enough to predict what society will need a half - century or more
in the future?
The latter is a politico -(pseudo) scientific construct, developed since the late - 1980s,
in which the human emission of «greenhouse gases», such as
carbon dioxide and methane, is unquestioningly taken as the prime - driver of a new and
dramatic type of climate
change that will inexorably result
in a significant warming during the next 100 years and which will inevitably lead to catastrophe for both humanity and the Earth.
«Increased fidelity of the models is not altering the underlying conclusion, that increased
carbon dioxide will lead to
dramatic changes in our climate,» he said.
The absorption of the greenhouse gas
carbon dioxide causes irreversible ocean acidification, which the scientists say will cause «massive corrosion of coral reefs and
dramatic changes in the makeup of ocean biodiversity.»