Fireflies

Firefly, an evolutionary wonder among insects, can produce heatless light from within its body. Photo: Lucciola Velo
Earth

Into the remarkable realm of fireflies

Aggressive usage of insecticides, disappearing homesteads and light pollution from expanding cities are putting the existence of over 2,000 firefly species at stake

Fireflies light up in synchronized bursts inside a forest at Santa Clara sanctuary near the town of Nanacamilpa, Tlaxcala state, Mexico. Photo: Reuters
Earth

Fireflies threatened globally, with light pollution a glaring problem