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Q.Highlight any three environmental concerns significant to global politics.

(OR)
Highlight any three international environmental movements and their importance.
CBSECBSE Class XII Board 2023Subjective· 6mImportance★★★★★
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Part (a): Climate change, ozone-layer depletion and the loss of biodiversity / degradation of the global commons are three environmental concerns central to global politics.

Part (b): Forest movements (Chipko), anti-dam movements (Narmada Bachao Andolan) and anti-mineral-industry / indigenous-rights movements are three important international environmental movements that have shaped policy and defended communities.

Environmental issues have moved to the centre of global politics because they are transboundary — pollution and warming do not respect borders — and therefore demand collective action.

Climate change is the most urgent. The burning of fossil fuels has raised greenhouse-gas concentrations and warmed the planet, threatening food and water security, low-lying coasts and even peace, since resource scarcity can fuel conflict. It has produced landmark agreements — the UN Framework Convention on Climate Change (1992), the Kyoto Protocol (1997) and the Paris Agreement (2015) — and a sharp North–South debate over historical responsibility and the right to development.

Ozone-layer depletion is a rare success story. The discovery that CFCs were destroying stratospheric ozone led to the Montreal Protocol (1987), which phased out these chemicals; the ozone hole is now healing, showing that swift international cooperation is possible when the science is clear and alternatives exist.

Loss of biodiversity and degradation of the global commons is the third. Deforestation, the decline of world fisheries, and pressure on the "global commons" — the open oceans, the atmosphere, Antarctica and outer space, which lie beyond any single state's jurisdiction — threaten the ecological systems on which humanity depends. The Convention on Biological Diversity (1992) is a key response.

Note

"Environmental concerns" are the issues themselves, while "environmental movements" are the organised campaigns that push governments to act — the two are related but distinct.

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