Current Affairs · Micro-test
Science and Environment Current Affairs
Science and environment questions on CLAT reward knowing how landmark missions and international climate agreements actually work, not just their headline dates.
10 questions · 5 minutes · instant scoring
Updated
What this topic actually tests
Science and environment current affairs occupies a growing share of CLAT's GK section because environmental law and policy intersect directly with the legal themes the exam otherwise tests, and because India's space programme regularly produces internationally significant, durable milestones. Within international environmental law, the topics that recur most are the structure of the annual Conference of Parties (COP) process under the UN Framework Convention on Climate Change, the core mechanism of the Paris Agreement (nationally determined contributions, or NDCs, rather than the binding top-down targets used in the earlier Kyoto Protocol), and older but still-tested conventions like the Montreal Protocol (phasing out ozone-depleting substances) and the Ramsar Convention (protecting wetlands of international importance). On the science side, ISRO's major completed missions — the Mars Orbiter Mission, the Chandrayaan lunar missions, and India's human spaceflight programme — are tested for their basic milestones and significance rather than granular technical details. The efficient way to study this category is to separate "durable mechanism" questions from "one-off event" questions: learn what the Paris Agreement actually commits countries to do (rather than which country hosted a particular COP), and learn what a completed ISRO mission actually achieved (rather than tracking every future mission announcement, which is likely to change before the exam). For environmental law specifically, connect each convention or protocol to the legal or institutional response it triggered in India, such as the National Green Tribunal, since CLAT often draws GK questions that segue naturally into legal-institution questions. Reading a monthly science and environment digest and converting each entry into a single durable fact — what an agreement obliges, what a mission achieved, what a body regulates — builds a compact and dependable revision set.
The common trap on this topic
A frequent mistake is treating the Paris Agreement and the Kyoto Protocol as functionally identical climate agreements, when they differ fundamentally: Kyoto imposed binding emission-reduction targets only on developed countries, while the Paris Agreement relies on voluntary, self-determined Nationally Determined Contributions from all parties alongside a long-term temperature goal. Aspirants also often confuse the COP process (an annual negotiating conference under the UNFCCC) with the agreements themselves, or forget that COP meetings are numbered sequentially and are not one-time events. Another common trap is muddling ISRO mission names and their actual achievements, especially conflating orbiter missions with lander or rover missions, or misremembering which mission was India's first in a given category. A further trap is treating international conventions on environment (Montreal Protocol, Ramsar Convention, Convention on Biological Diversity) as interchangeable simply because they are all "environmental," when each targets a distinct and specific concern — ozone depletion, wetlands, and biodiversity respectively — and examiners test precisely this specificity.
Take the micro-test
The Paris Agreement's core mechanism for countries to commit to climate action is known as:
The annual "Conference of Parties" (COP), where global climate negotiations take place, operates under which international framework?
The Montreal Protocol is an international treaty specifically aimed at addressing which environmental issue?
The Ramsar Convention is an international treaty concerned specifically with the conservation of:
Chandrayaan-3, India's lunar mission, is notable for achieving which milestone?
India's Mars Orbiter Mission (Mangalyaan) was notable for which achievement?
The National Green Tribunal (NGT) of India was established under which legislation to handle environmental disputes?
Green hydrogen is distinguished from conventional (grey) hydrogen primarily by:
The Western Ghats, along with a few other Indian regions, are internationally recognised as a:
The Kyoto Protocol's distinguishing feature, compared to the later Paris Agreement, was that it:
Science and Environment Current Affairs: answers and explanations
The Paris Agreement's core mechanism for countries to commit to climate action is known as:
Answer: B. Nationally Determined Contributions (NDCs)
Under the Paris Agreement, each country submits its own voluntary Nationally Determined Contributions (NDCs) outlining its climate goals, in contrast to the Kyoto Protocol's binding top-down targets for developed nations.
The annual "Conference of Parties" (COP), where global climate negotiations take place, operates under which international framework?
Answer: C. UN Framework Convention on Climate Change (UNFCCC)
The COP is the supreme decision-making body of the UNFCCC, meeting annually to assess progress and negotiate climate action, including landmark outcomes like the Kyoto Protocol and the Paris Agreement.
The Montreal Protocol is an international treaty specifically aimed at addressing which environmental issue?
Answer: C. Phasing out substances that deplete the ozone layer
The Montreal Protocol (1987) specifically targets the phase-out of ozone-depleting substances such as chlorofluorocarbons, and is widely regarded as one of the most successful international environmental treaties.
The Ramsar Convention is an international treaty concerned specifically with the conservation of:
Answer: A. Wetlands of international importance
The Ramsar Convention (1971) is an intergovernmental treaty focused on the conservation and sustainable use of wetlands, under which sites of international importance are designated as "Ramsar Sites."
Chandrayaan-3, India's lunar mission, is notable for achieving which milestone?
Answer: B. Making India the first country to land near the Moon's south polar region
Chandrayaan-3's Vikram lander achieved a soft landing near the Moon's south polar region in 2023, making India the first country to do so and the fourth country overall to achieve a soft lunar landing.
India's Mars Orbiter Mission (Mangalyaan) was notable for which achievement?
Answer: C. Making India the first Asian nation to reach Mars orbit, and doing so in its first attempt
The Mars Orbiter Mission, launched by ISRO in 2013, made India the first Asian nation to reach Mars orbit and the first nation in the world to do so successfully in its very first attempt.
The National Green Tribunal (NGT) of India was established under which legislation to handle environmental disputes?
Answer: B. The National Green Tribunal Act, 2010
The NGT was established under the National Green Tribunal Act, 2010, as a specialised body for the effective and expeditious disposal of cases relating to environmental protection and conservation.
Green hydrogen is distinguished from conventional (grey) hydrogen primarily by:
Answer: B. Being produced through electrolysis of water using renewable energy
Green hydrogen is produced by splitting water into hydrogen and oxygen through electrolysis powered by renewable energy sources, making it a low-carbon alternative to grey hydrogen, which is typically produced from natural gas.
The Western Ghats, along with a few other Indian regions, are internationally recognised as a:
Answer: B. Biodiversity hotspot
The Western Ghats are recognised as one of the world's biodiversity hotspots due to their exceptional levels of plant and animal endemism combined with significant habitat loss, and are also a UNESCO World Heritage Site.
The Kyoto Protocol's distinguishing feature, compared to the later Paris Agreement, was that it:
Answer: D. Imposed legally binding emission-reduction targets only on developed (Annex I) countries
The Kyoto Protocol (1997) placed binding emission-reduction obligations specifically on developed countries listed in Annex I, based on the principle of common but differentiated responsibilities, unlike the Paris Agreement's universal but voluntary NDC-based approach.
FAQ
What is the key difference between the Kyoto Protocol and the Paris Agreement?
The Kyoto Protocol set binding emission-reduction targets only for developed countries, while the Paris Agreement asks all parties to submit voluntary Nationally Determined Contributions (NDCs) and sets a shared long-term global temperature goal.
What does the Montreal Protocol specifically address?
The Montreal Protocol is an international treaty specifically aimed at phasing out the production and consumption of substances that deplete the ozone layer, distinct from broader climate-change agreements like the Paris Agreement.
Should I track upcoming or announced future ISRO missions for CLAT?
It is safer to focus on completed, well-established ISRO milestones rather than future or announced missions, since plans can change before the exam and completed achievements are the durable, testable facts.
Keep practising
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