With rising food prices, g population and environment problems, many people are worrying about how we will feed ourselves in the future. Don' t worry. Scientists are trying to find some answers to help people s .
Some scientists believe insects will become a staple（主食）of our diet. Insects provide us many nutrients as ordinary meat and are a good source of protein. They also cost l to raise than cows and sheep. About 1400 species are suitable as food for humans.
Many people already eat insects as a r part of their diet. Caterpillars（毛毛虫）and locusts（蝗虫）are popular in Africa, wasps（黄蜂）are a dish in Japan, and crickets（蟋蟀）are, eaten in Thailand. The Dutch government is now considering the possibility of an insect diet s . It is preparing for insects farms and has invested one million euros into research.
In the future, land and fresh water will be in increasing short s . It is possible that people need to find a reliable food source in the ocean. Scientists have already found one at the b of the food chain—seaweed. It has long been a staple in Asia. And countries including Japan have huge seaweed farms. The great thing shout seaweed is that it grows at an amazing speed. It is the fastest growing paint on the earth.
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