Word: pasts
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Dates: during 1990-1999
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...need to control ourselves or nature will," says Gary Liss of Loomis, Calif., a veteran of recycling and solid-waste programs who advises clients aiming to reduce landfill deposits. As he sees it, garbage--maybe every last pound of it--needs to become a vile thing of the past...
...analysis of admittedly spotty temperature records indicates that the world's average temperature has gone up about 0.5[degree]C (1[degree]F) in the past century, with the '90s being the hottest decade in recent history. This fact is quoted widely in the scientific community, although there are nagging doubts even among researchers. Recent satellite records, using different kinds of instrumentation, fail to show a warming trend...
...matter of decades. If that were to happen now, expanding oceans might flood coastlines and generate fiercer storms. And as weather patterns changed, some places could get wetter and some dryer, and the ranges of diseases could expand. Civilization has seen--and endured--such changes in the past, but they may come much more swiftly this time, making it harder to withstand the jolts...
Modern technology has given us the tools to extinguish entire fish populations, and because man is a can-do critter, that's what we're doing. After climbing steadily for the past 50 years, the worldwide catch of seafood has begun to drop. We're fishing out the oceans, at the same time that the need for seafood is soaring. Of the 6 billion of us on the planet, 1 billion rely on fish as their primary source of protein...
Powell could scarcely have imagined that a century after his feat, more than 2 million tourists would visit the Grand Canyon annually--among them families with small children who would float down the once fearsome Colorado as a summer lark. During the past 30 years, annual visitation to the Grand Canyon has ballooned from 2 million to more than 5 million. If you want to paddle down the Grand Canyon on your own, without hiring a commercial outfitter, the waiting list for boating permits is now so long that you won't be able to launch your raft until...