Rising surface ozone levels, driven by climate change and rising temperatures, are worsening India’s pollution crisis, with serious impacts on human health and crop yields.

Despite a warning that a lack of funds is complicating the emergency response, the Trump administration has sent scant assistance.

Ground-level ozone is a major air pollutant that shortens human lives and kills thousands each year, resulting in major economic impacts. It is formed when methane, nitrogen oxides and volatile organic compounds (released from vehicles, industry, power plants and crops) react in the presence of sunlight.

Foreign aid cuts by US and other donors puts decades of progress for AIDS, TB and malaria at risk, says Global Fund head.