Question: How much of the land on Earth is covered by humans? According to the FAO Global Land Cover SHARE database, produced in 2014, 0.6% of Earth’s land surface is defined as ‘Artificial surfaces’. Artificial surfaces include any areas that have an artificial cover as a result of human activities such as construction (cities, towns, transportation), extraction (open mines and quarries) or waste disposal. This figure gives us an estimate of roughly 900,000 km2 of human-covered land worldwide.

I’ve previously blogged on the topic of edible insects, so I was thrilled to hear from Ghergich about their new blog and infographics on the subject. It is great to see real recipes using insects as an ingredient and I’m pleased to see how far the industry has progressed since I wrote my original post. Thinking about ways to increase your protein intake? You might want to think about bugs. Yes, that’s right, we said it: Edible insects are an environmentally friendly addition to your dinner plate.

What do those cute little baby sea turtles do after their epic spring to the water? Until very recently, we simply didn’t know. But a new study reveals for the first time just what the young turtles have been up to in the Pacific – and it shows that they are just as determined and tenacious as they were on land, fighting strong currents to reach their preferred feeding grounds.

Trading Aliens:
How Politics Helps and Hinders Invasive Species

Featured image created using public domain images of invasive species - Fire Ants and a Signal Crayfish Claw, as well as a House Mouse by George Shuklin used under a CC-BY 1.0 licence.

The spread of non-native species across the globe is a major concern – species out of their natural range can cause millions of pounds of damage, spread diseases to humans and livestock and threaten native wildlife. They are a huge financial burden to control, but almost impossible to eradicate. New invasive species reach foreign lands by hitching a ride on our trade routes, so changes to global trade could have serious implications for our economies and our ecosystems.
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