Ecosystems 3

How can we protect ecosystems? / ¿Cómo podemos proteger los ecosistemas?. Ecosystems can be protected through responsible use. Some human activities can damage our ecosystems. Humans spray chemicals on their crops to kill insects. These chemical are called pesticides and affect the food chain. When it rains, the pesticides travel to streams and rivers which make fish and plants sick.

How can we protect ecosystems? / ¿Cómo podemos proteger los ecosistemas?. Overfishing is when humans take too many fish from the sea. This means bigger animals don´t have enough fish to eat. When we build cities, animals and plants lose their natural habitat. Transport and factories cause air pollution in cities.

How can we protect ecosystems? / ¿Cómo podemos proteger los ecosistemas?. Deforestation is when humans cut down a lot of trees in one place. Animals lose their habitat. Humans leave plastic rubbish called litter. Animals get trapped in it. Sometimes they eat it and get sick or die. Dangerous chemicals from litter can pollute the soil and water.

What can we do to protect our ecosystems? / ¿Qué podemos hacer para proteger nuestros ecosistemas?. We must take only what we need. When we cut down a tree, we can plant a new one. Remember to recycle. Use public transport. Buy local or organic food when you can. Grow your own fruits and vegetables.