Emissions will have to be cut swiftly and deeply across economies to limit global warming to internationally agreed temperature limits, scientists say in a new flagship report
As climate-heating fossil fuel emissions continue to rise, renewed efforts to slash them must be fair and take into account countries’ other key priorities - such as development in poorer nations - or they will likely fail, scientists warned on Monday.
The report did not call for the full abandonment of fossil fuels but emphasised that the technology needed to shift to clean energy is largely available and getting ever cheaper. “Sometimes it’s just about political will - what we’re willing to do,” said the director of the U.N. University Institute for Natural Resources in Africa.
Joyashree Roy, coordinating lead author of a new chapter on the social aspects of mitigation, said efforts to cut emissions needed to pay attention to often overlooked realities - from cultural norms to the human desire for social status. For instance, as many countries grow more crops for biofuel in a bid to hold down emissions, they can undercut agriculture, harming food security, or displace people from their traditional land and rob them of an income, she said.
The price of zero-carbon electricity, for example, is half to a third of what most people now pay for their power, he noted. “A lot of things economists say would make sense haven’t happened because of policy and politics,” Grubb told an online event.
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