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ELECTRIFIED BARRIERS FOR FISH
In 1892, engineers began the Chicago Canal to divert sewage using 42 million cubic yards of earth; more than a century later, it may help Asian carp reach the Great Lakes- Australia built an A$187,000 electric fence across wild horse country; inside lies an endangered alpine wetland supporting three threatened animals
- In 2003, experiments showed wolves refuse to cross a line of fluttering flags, so ranchers now string 'fladry' around calving pens as a cheap, non-lethal way to keep the predators off herds
- India wants to expand its share in global trade, but its exports basket is outdatedFor a country that has a contribution of less than 5% in global trade, India’s dreams of achieving a $1-trillion exports target by 2025 man...07 Aug, 2021, 09.55 AM IST
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