Detail In a Hole; Rare Earths and Climate Change   Oleh:  [s.n] Jenis: Article from Bulletin/Magazine Dalam koleksi: The Economist (http://search.proquest.com/) vol. 402 no. 8776 (Mar. 2012), page 75. Topik: Climate Change; Earth; Ecology; Carbon Dioxide Emissions Ketersediaan Perpustakaan Pusat (Semanggi) Nomor Panggil: EE29.70 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada     Lihat Detail Induk Isi artikel Demand for some rare-earth elements could rapidly outstrip supply Many plans for reducing the world's emissions of carbon dioxide--at least, those plans formulated by environmentalists who are not of the hair-shirt, back-to-the-caves persuasion--involve peppering the landscape with wind turbines and replacing petrol-guzzling vehicles with electric ones charged up using energy gathered from renewable resources. The hope is that the level of CO2 in the atmosphere can thus be kept below what is widely agreed to be the upper limit for a tolerable level of global warming, 450 parts per million. Opini Anda Klik untuk menuliskan opini Anda tentang koleksi ini! Kembali

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