The domestication of crops is one of the greatest technological revolutions in human history. Humans have domesticated only about 250 out of the total 374,000 plant species in the world. Around 20 of these are currently used for large-scale agricultural production.
Trial run for algae farms on high seas
Many fish species such as salmon and trout are now bred in aquaculture facilities to meet the increasing demand. As a rule, these fish farms are located near the coast, where breeding is impaired by shipping, tourism or buildings.