GEOS2921 Lecture 1: GEOS2921
Document Summary
America, <1% oceania: 26% babies are born in africa, but the high mortality rate reduces their overall share of the global population, the 6 most populous countries china, india, usa, brazil, Pakistan account for 3. 5 bn people: 2050 predictions: Political recognition of population problem: brundtland report (wced, 1987) highlighted 6 major challenges for sustainable development, population and human resources, food security, species and ecosystems, energy. Population bomb": population bomb: malthusian school of thought (est 1798), where human population grows geometrically while food productivity only grows arithmetically famine. Ideas arose out of a time where anarchism, liberty/freedom were concerns for the british (french, American revolution: malthus, a conservative, viewed poverty as a natural condition, not a product of human institution. Global hotspots: global hotspots contain over 60% of the world"s plant and animal species, within just 1. 4% of the planet"s land surface extremely high density, eg caribbean forests,
