Page 194 - Innovator's Science-8
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and in turn, predators that feed on those animals will lose their food
source. Every species plays an important role, and losing even a few can
weaken entire ecosystems.
Pollution is another serious threat
• Air pollution from vehicles, factories, and burning fuels can damage
human health, harm crops, and cause problems like smog and acid rain.
Air Pollution
• Water and soil pollution caused by waste from factories, farms, and
plastic products can poison water bodies and reduce soil fertility.
• Harmful chemicals from fertilisers and poor waste disposal also enter
the food chain, affecting animals and humans alike.
Climate change doesn’t just affect the environment-it impacts farming,
Water Pollution
fresh water supply, human health, and wildlife habitats. That’s why
protecting nature is so important. It means reducing pollution, using clean
Science energy sources, and making better everyday choices.
Bytes
Working Together for a Better Future
Testimony
Global Efforts to Protect All parts of the Earth— air (atmosphere), water (hydrosphere), land
the Earth (geosphere), and living things(biosphere)— are closely connected. If one is
Many countries have harmed, the others are affected too. For example, pollution in water harms
come together to find
solutions: fish, which affects birds and animals that feed on them, and even humans
• The Montreal Protocol who rely on those waters.
(1987) helped reduce
harmful gases like To protect our planet:
CFCs, allowing the • We need to reduce greenhouse gases by using
ozone layer to begin
healing. renewable energy like solar and wind.
• The Earth Summit • Improve energy efficiency and adopt eco-
(1992) pushed global
efforts to protect the friendly ways of travel.
environment and • Protect biodiversity, as ecosystems with many
biodiversity. Recycle bin
species are healthier and more stable.
• The Kyoto Protocol
(2005) and Paris • Encourage sustainable farming and proper waste management.
Agreement (2015)
aimed to reduce Local communities also play a key role in managing natural resources
greenhouse gas wisely. Everyone can contribute— whether by saving electricity and water,
emissions. The Paris
Agreement set a reducing plastic use, or recycling and reusing items instead of throwing
target to keep global them away.
warming below 1.5
°C, but as of 2025, Even small actions can have a big impact. Sharing knowledge, spreading
we are not meeting awareness, and encouraging others to care for the environment can create
that goal. Much
stronger action is powerful change.
needed.
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