Sentences with phrase «global nuclear exchange»

The ozone losses predicted in the study are much larger than losses estimated in previous «nuclear winter» and «ultraviolet spring» scenario calculations following nuclear conflicts -LSB-...] A 1985 National Research Council Report predicted a global nuclear exchange involving thousands of megatons of explosions, rather than the 1.5 megatons assumed in the PNAS study, would deplete only 17 percent of the Northern Hemisphere's stratospheric ozone, which would recover by half in three years.

A 1985 National Research Council Report predicted a global nuclear exchange involving thousands of megatons of explosions, rather than the 1.5 megatons assumed in the PNAS study, would deplete only 17 percent of the Northern Hemisphere's stratospheric ozone, which would recover by half in three years.

A global nuclear exchange could annihilate hundreds of millions of lives and sour Earth's atmosphere, water, and ground for generations.

Not exact matches

In a statement summarizing the new policy, Obama said that «the greatest threat to U.S. and global security is no longer a nuclear exchange between nations, but nuclear terrorism by violent extremists and nuclear proliferation to an increasing number of states.»

Driven by a cascade of selling on Chinese exchanges, political instability in the Middle East and yet another sign of nuclear insanity from North Korea, global markets have swooned.

The sociopolitical ramifications of the geoengineering symptom fixes have to include the global conflict that would arise and whether our species can resolve conflicts and continue to avoid a nuclear exchange.

• If global civilization can not continue to adjust to these climate changes in an evolutionary manner, then revolutionary means (economic depression, famine, mass migration, unilateral seizure of resources, unilateral efforts at geo - engineering) leave us and our descendants vulnerable to perpetual warfare, with ever - increasing chances of unrestrained nuclear exchanges.

In a modern society characterized by electronic information exchange, interlinked financial systems, and global trade, the control of access to nuclear weapons technology has grown increasingly difficult.

Part one introduces the series themes and basically reviews the current state of the science, while part two outlines how climate change impacts could lead to global demographic, agricultural and political instability and even outright armed conflict, including a nuclear exchange in South Asia over rapidly depleting water supplies.