The meaning of sustainability has evolved to encompass a whole host of other focuses. Do we need to untangle these once separate issues, or are we all responsible in delivering to this new meaning of sustainability?
The meaning of sustainability has evolved to encompass a whole host of other focuses. Do we need to untangle these once separate issues, or are we all responsible in delivering to this new meaning of sustainability?
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The world as we know it today is almost inconceivable without the rich and colourful landscapes created by plant life. Among them are flowering plants, or angiosperms, which are by far the most diverse and abundant group of plants, making up over 80% of all known species, including all our staple food crops.
But the world was not always like this. There was a time when plant life was almost exclusively green. Then, in the time of the dinosaurs, the world burst magnificently into bloom.
Flowers blessed our environment with chromatic vibrancy, but they also upturned food chains and elbowed out their nonflowering predecessors. Little is known about how ecosystems reacted to this sudden blossoming. But now, a tiny beetle, preserved in amber for 99 million years, has provided a valuable clue about how insects first began nourishing themselves on a colourful new platter of plants.