Unmask My City is a global initiative engaging doctors and health professionals in efforts to clean up air pollution in cities, addressing not only a global health crisis, but also the driver of climate change. It uses innovative LED light masks that change colour dynamically according to live air pollution readings as the main visual tool.
For the 30th anniversary of the 1986 Chernobyl meltdown, lingering radioactivity in the Bryansk region of Russia - impacted heavily by Chernobyl - is made visible with light painting.
For the 5th anniversary of the 2011 triple meltdown at the Fukushima Dai-ichi nuclear plant, radioactive contamination around Fukushima is made visible with a custom-made geiger counter-connected light stick.
A selection of images taken in infrared, beyond the spectrum visible to the naked eye.
A selection of images from protest marches around the world. From calls for justice for asylum seekers and community fights with coal in Australia, to energy protests in Japan, and the 2014 climate march in New York.