Examination Portfolio – 2025
EED2601 assignment 3 solutions
2025
Department of Science and Technology Education
, ACTIVITY 1
1.1. Five Negative Effects of Climate Change
1. Increased droughts and water scarcity: Climate change causes prolonged periods of
drought, reducing water availability for communities, agriculture, and ecosystems.
2. Rising sea levels: Melting glaciers and thermal expansion of oceans lead to higher sea
levels, which threaten coastal habitats and human settlements.
3. Severe weather events: More frequent and intense storms, hurricanes, and floods result
in destruction of infrastructure and loss of lives.
4. Loss of biodiversity: Changing climates lead to habitat destruction, endangering plant
and animal species and reducing biodiversity.
5. Decline in agricultural productivity: Unpredictable rainfall and extreme weather reduce
crop yields, threatening food security.
1.2. Mini Essay on the Negative Effects of Climate Change
Introduction
Climate change refers to significant, long-term changes in global weather patterns
driven primarily by human activities such as burning fossil fuels, deforestation, and
industrial emissions. These activities increase greenhouse gases in the atmosphere,
trapping heat and altering climate systems. Climate change education involves raising
awareness about these impacts and promoting actions to mitigate and adapt to
changing conditions.
Body
The adverse effects of climate change are felt both environmentally and in human
health. Environmentally, rising sea levels threaten coastal ecosystems, causing erosion
and inundation of habitats. Increased temperatures lead to the melting of glaciers and
polar ice caps, disrupting aquatic ecosystems and wildlife. Moreover, climate change
contributes to desertification, loss of forests, and decreased agricultural productivity,
which threaten biodiversity and ecosystems vital for sustaining life.
In terms of human health, climate change exacerbates heat-related illnesses such as
heatstroke and dehydration, particularly affecting vulnerable populations. Changes in
weather patterns influence the spread of vector-borne diseases like malaria and
dengue, as warmer climates create favorable environments for disease-carrying insects.
Water scarcity from droughts leads to poor sanitation and increased risk of waterborne
diseases. Food insecurity caused by reduced crop yields can lead to malnutrition and
famine.
To combat these negative impacts, everyone can take proactive steps such as reducing
energy consumption, adopting renewable energy sources like solar and wind, practicing
waste reduction and recycling, supporting policies aimed at environmental protection,
and educating others about the importance of sustainability.