Nature must be protected. Millions of bees and other insects have disappeared, and if there were no bees or insects to pollinate flowers and crops, food production would be seriously endangered.
The world has about 18m square km land available for food production. This could provide sufficient fruit and vegetables for 12bn vegetarians and vegans but only sufficient meat for 3bn meat eaters.
In order to increase food production, fertilizers and pesticides are used, some of them harmful both to humans, animals and the environment. Toxins from agriculture and industry are emitted with waste water into rivers, lakes and into the sea.
In case of food shortage UN's FAO (Food and Agriculture Organization) recommends us to eat worms and insects. What's next, if they become extinct?
Worms, insects, fungi and bacteria maintain the top soil (humus). Without humus the soil would be too heavy to cultivate, necessitating more fertilizers.
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