Fireflies were as ubiquitous in the summer night sky as stars. Now the insects are facing extinction, and yes, humans are to blame.

Of the nearly 2,000 species of fireflies across the world, 200 are found in the U.S. However, many of those that were once common have now disappeared. There are two main reasons why these insects are on the decline: light pollution and development. On top of that, pesticides, weed killers, and logging have also played a role in the species' disappearance.

The marshes and meadows that were once lit up by the bioluminescent bug are slowly disappearing thanks to increasing development of the environment they call home. "The problem is that in America and throughout the world, our open fields and forests are being paved over, and our waterways are seeing more development and noisy boat traffic. As their habitat disappears under housing and commercial developments, firefly numbers dwindle," according to Firefly Research and Conservation.

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The Planet

Superb Idea: The Bee Station

Due to the disastrous decline in their population, the remaining bees are overworked. Check out this new design for bees to nest, rest, and refuel.

Last summer, 31-year-old Jamie Hutchison was listening to the radio when an expert from the RSPB (a leading wildlife conservation nonprofit in the United Kingdom) was on the air, responding to several callers' concerns about slow, seemingly sick or tired bees crawling on their lawns.

The expert explained that, due to the decline in the UK’s bee population, the bees that remain are overworked:

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