India's capital is among the most polluted cities in the world, thanks in large part to the growing number of vehicles on its roads. In its just-announced climate change plan, India does not commit to an absolute reduction of its emissions. Instead, it will slow the release of greenhouse gases.
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Using an instrument they've named the HOLODEC, for Holographic Detector for Clouds, scientists can now see in fine detail the way air and water droplets mix at a cloud's wispiest edge.
Shahzia Sikander, pictured here, created the film Parallax (also pictured) to explore the layers of history and change that are remaking parts of the Middle East and South Asia.
Courtesy of Shahzia Sikander