Biofuel, a menace for fauna and flora??

Sometimes you never know what is good or bad for our planet. Have a look at these articles:

• Demand for biofuel in US hits bee numbers (News report, BBC Learning English)

• A fifth of world's plants in danger (News reports, BBC Learning English)

Related articles:

• Desert plants and green diesel: Meet the jet fuels of the future (CNN)

• Wild bees on the decline in key US agricultural ecosystems – study (The Guardian)

• Green invaders (National Geographic)

By the way, do you remember the film BEE MOVIE?