Shielding the dark knights

Unlike the impact of light pollution on animals and plants which are generally negative, the impact that light pollution has on bats is one that is not entirely bad. With the right amount of tree cover that shields light from street lamps, certain species of bats can in fact thrive in urban conditions as Ultraviolet (UV) light attracts insects that bats feed on and a dense tree cover provides protection…

It’s Not Time to Go Into the Light

Six months following the attack on the World Trade Center, the first Tribute in Light twin beams shot into the sky in commemoration of the lives lost on September 11th, 2001. However, it was only after a few years that the impact of these strong beams was brought into light. Apparently, the concentration of artificial lights induced a mass of birds to gather and circle within the beams, extending up…

They are green, but are we?

Hidden in bushes or near roadside drains and curbs, amphibians like frogs and toads are not sheltered from the adverse effects of light pollution in our cities. It does not help that these creatures are extremely sensitive to light. The light-sensitive cells in frogs called retinal rod cells have the ability to detect single photons (to put things into perspective, a 60 watt lightbulb emits (10 to the power of…