In terms of national carbon pledges, India provided the best news last week, with prime minister Narendra Modi announcing that the country – currently a major polluter – intends to generate half its electricity from renewables by 2030 and achieve net zero emission status by 2070.
Most experts rate the latter target as extremely ambitious and, according to the journal Nature, many suspect it is more likely that India’s plan is to reach net zero only for carbon dioxide by 2070, with other greenhouse gases coming later. Nevertheless, the move is significant and contrasts sharply with the poor emission commitments made to date by Saudi Arabia, the planet’s second-biggest oil producer, and by Russia, its second-biggest gas provider. Much, in
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