Preservation and conservation of the environment are essential to protect Earth's ecosystems and combat the harmful effects of climate change. Innovative solutions such as Negative Emission Technologies, Green Technology sectors, and global environmental cooperation led by the United Nations play crucial roles in restoring and maintaining ecological balance.
The rising trend of atmospheric carbon dioxide (2006–2019) alongside how marine microalgae remove atmospheric carbon dioxide via photosynthesis.
Negative Emission Technologies are technologies that remove carbon dioxide content from the atmosphere.
As atmospheric carbon dioxide increases due to human activities, it intensifies the greenhouse effect and accelerates global warming. To combat this, scientists use Negative Emission Technologies, which capture and extract carbon dioxide directly from the atmosphere.
Marine microalgae are microscopic organisms living and reproducing abundantly in seawater. They absorb and reduce carbon dioxide levels from the atmosphere through the natural process of photosynthesis. Microalgae plants are engineered and used as large-scale cultivation systems in Negative Emission Technologies.
Preserving and conserving the global environment requires balanced management of natural resources. Eco currency has been proposed as a universal medium of exchange in commercial and environmental transactions to encourage sustainable practices and maintain environmental balance.
Green Technology is implemented across multiple sectors to promote sustainability and lower carbon emissions.
Harnessing clean solar energy to generate electricity and power systems.
Designing energy-efficient, eco-friendly buildings that reduce waste and resource consumption.
Initiatives and technologies aimed at entirely preventing net greenhouse gas releases.
Renewable biological fuel alternative derived from biological sources to replace conventional fossil fuels.
Energy-efficient transportation combining internal combustion engines with electric propulsion to lower emissions and fuel use.
The UN strengthens international cooperation and coordinates joint efforts through key actions.
Addressed overarching global environmental issues.
International agreement targeted at reducing the emission of greenhouse gases.
Aims to reduce greenhouse gas emissions and limit the rise in global average temperature to \(1.5^\circ\text{C}\) above pre-industrial levels.
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What are Negative Emission Technologies?
What biological process allows marine microalgae to reduce carbon dioxide levels in Negative Emission Technologies?
State one international agreement sponsored by the United Nations to limit global temperature rise to \(1.5^\circ\text{C}\).
Green technologies and Negative Emission Technologies are the exact same thing.
Green technology is a broader term encompassing sustainable practices that minimise or eliminate environmental damage, while Negative Emission Technologies specifically refer to methods that actively remove carbon dioxide already present in the atmosphere.
The Paris Agreement only aimed to ban chlorofluorocarbons (CFCs).
The Paris Agreement focuses on reducing greenhouse gas emissions and limiting global temperature rise to \(1.5^\circ\text{C}\); the elimination of CFCs is a separate UN effort aimed at protecting the ozone layer.
1 Which organism is commonly cultivated in Negative Emission Technologies to extract carbon dioxide from the atmosphere?
2 What is the primary objective of the Paris Agreement established in 2016?
3 Negative Emission Technologies are technologies that remove content in the atmosphere.
4 The United Nations helps protect the ozone layer by banning the use of , which causes the thinning of the ozone layer.
Drag each international convention or agreement to its correct purpose or description. On a phone, tap an answer first, then tap a matching box. Tap the Answer Choices area to return a selected item.
Write the correct international convention or agreement next to each purpose.
Answer choices: Rio Conference (1992) • Kyoto Protocol (1997) • Paris Agreement (2016) • UN Chemical Restrictions
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