To make mortality estimates, the researchers took temperature projections from 16 global climate models, downscaled these to Manhattan, and put them against two different backdrops: one assuming
rapid global population growth and few efforts to limit emissions; the other, assuming slower growth, and technological changes that would decrease emissions by 2040.
Not exact matches
The nations were unified by their more recent industrialization process,
rapid growth, large
populations and the hope that they represented the future stars of the
global economy.
Ojo said that
rapid population growth among the
global poorest group results from poor family planning habits.
This team, led by Jose Marengo of the Brazilian National Institute for Space Research (INPE), assesses the local impacts of the
global SRES A1B emissions scenario, an old IPCC scenario for (A1) a world with
rapid economic
growth, decreasing
population after 2050 and
rapid implementation of efficient technologies with (B) a «balanced mix of energy sources».
This scenario is characterized by «very
rapid economic
growth,
global population that peaks in mid-century and declines thereafter... the
rapid introduction of new technologies,... and the assumption that similar improvement rates apply to all energy supply and end - use technologies».
Needless to say, accomplishing any one of these goals — a
global carbon tax, maximized efficiency, an explosion of renewable energy, a wholesale revolution in agriculture,
rapid reduction of non-CO2 GHGs, a
rapid shift in
global lifestyle choices, and successful measures to curb
population growth — would be an enormous achievement.
In 1975, a then - classified National Security Council report outlined the dangers that
rapid population growth posed to
global stability.
Speak Out does not shy away from emphasizing the problems caused by the enormous size of the
global population, nor its ongoing
rapid growth — indeed, these tremendously important issues are the reason Speak Out exists in the first place.
Projections that
global resource use and emissions will not rise very much due to
rapid population growth in the poorest countries are based on the assumption that those countries will remain desperately poor by the standards of developed countries.