New genetic results reveal a previously unknown wave of people settled in South America 1,300 years ago and that Indigenous ...
Shrinking North American bird population is getting worse faster. Experts blame agriculture, warming
WASHINGTON (AP) — Billions fewer birds are flying through North American skies than decades ago and their population is shrinking ever faster, mostly due to a combination of intensive agriculture and ...
As recently as 2009, the scolds were still warning us about a world with too many Americans. The Census Bureau then predicted a U.S. population of 400 million by 2050, with an expected 2025 population ...
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