...s must engage openly
with the risk of global collapse. Researchers in many areas have projected the widespread
collapse as “a credible scenario (情景) this century”. A survey of
scientists found that extreme weather events, food insecurity, and freshwater
shortages might create global collapse...
...;It has been popular over a lot of areas. The material and theinstruments for cut paper are very simple: just a pair of sessiors and a sheet of paper ...