Umair Irfan
Former correspondent
Latest articles by Umair Irfan
A policy to conserve water led to the rise of a major source of air pollution, making breathing Delhi’s air as bad as smoking 50 cigarettes.
A key piece of the Paris climate agreement remains up in the air.
Negotiations over the Paris climate agreement are now in overtime.
But can we protect them?
The European Union plans to eliminate its contributions to climate change by 2050. But its plan is light on how to do so.
Youth activists are growing frustrated with world leaders at the COP25 climate conference in Madrid.
UN negotiators are in Madrid trying to resolve the thorniest issues blocking international action on climate change.
A stunning animation of cumulative greenhouse gas emissions.
Greta Thunberg gave up flights to fight climate change. Should you?
Countries are far off course in meeting emissions goals. More drastic actions are needed to get back on track.
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