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Topic 208 · Reports & Indices

Planetary Health Check 2026: Seven Boundaries Breached

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Revise the 12 points first Book 1 RATNA

Core Trigger: The Planetary Health Check 2026 was released on 21 September 2026, finding seven of nine planetary boundaries transgressed, all at record levels.
Newest Breach: Ocean acidification, breached in 2025, is the newest boundary crossed; the report notes worsening trends across the Earth system.
Issuing Body: The Planetary Boundaries Science Lab at Germany's Potsdam Institute for Climate Impact Research (PIK) produced the report.
Key Term: Planetary boundaries are nine Earth-system limits within which humanity can develop safely; the framework was proposed in 2009.
Data: Only stratospheric ozone depletion and atmospheric aerosol loading remain within their limits.
The Nine: The nine include climate change, biosphere integrity, land-system change, freshwater change and novel entities.
India Link: Pressure on climate, freshwater and oceans bears directly on India's long coastline, monsoon-dependent agriculture and its pledge of net-zero emissions by 2070.
Headquarters: PIK is headquartered in Potsdam, Germany, near Berlin.
Founded: PIK was founded in 1992 as a research institute on global change and climate impacts.
Landmark: The 2009 Nature paper 'A safe operating space for humanity' by Johan Rockstroem and colleagues set out the planetary boundaries framework.
Articles: Articles 48A and 51A(g) direct State and citizens to protect the environment; the Environment (Protection) Act, 1986 is the umbrella law.
Doctrine: The precautionary principle and sustainable development, adopted in Vellore Citizens' Welfare Forum v Union of India (1996), are part of Indian environmental law.

Question 1 of 10

The Planetary Health Check 2026 found how many planetary boundaries transgressed, all at record levels?

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Answer: (B) Seven

Core Trigger: The Planetary Health Check 2026 was released on 21 September 2026, finding seven of nine planetary boundaries transgressed, all at record levels.From Book 1 RATNA, topic 208, point 1

Question 2 of 10

Which boundary, breached in 2025, is the newest to be crossed?

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Answer: (A) Ocean acidification

Newest Breach: Ocean acidification, breached in 2025, is the newest boundary crossed; the report notes worsening trends across the Earth system.From Book 1 RATNA, topic 208, point 2

Question 3 of 10

Which lab at PIK produced the Planetary Health Check 2026?

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Answer: (B) Planetary Boundaries Science Lab

Issuing Body: The Planetary Boundaries Science Lab at Germany's Potsdam Institute for Climate Impact Research (PIK) produced the report.From Book 1 RATNA, topic 208, point 3

Question 4 of 10

How many Earth-system limits make up the planetary boundaries framework?

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Answer: (A) Nine

Key Term: Planetary boundaries are nine Earth-system limits within which humanity can develop safely; the framework was proposed in 2009.From Book 1 RATNA, topic 208, point 4

Question 5 of 10

1. Stratospheric ozone depletion remains within its limit. 2. Atmospheric aerosol loading remains within its limit. Which of the following is/are correct?

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Answer: (C) Both 1 and 2

Data: Only stratospheric ozone depletion and atmospheric aerosol loading remain within their limits.From Book 1 RATNA, topic 208, point 5

Question 6 of 10

The report links planetary pressure to India's pledge of net-zero emissions by which year?

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Answer: (D) 2070

India Link: Pressure on climate, freshwater and oceans bears directly on India's long coastline, monsoon-dependent agriculture and its pledge of net-zero emissions by 2070.From Book 1 RATNA, topic 208, point 7

Question 7 of 10

In which German city is PIK headquartered?

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Answer: (C) Potsdam

Headquarters: PIK is headquartered in Potsdam, Germany, near Berlin.From Book 1 RATNA, topic 208, point 8

Question 8 of 10

PIK was founded in which year?

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Answer: (A) 1992

Founded: PIK was founded in 1992 as a research institute on global change and climate impacts.From Book 1 RATNA, topic 208, point 9

Question 9 of 10

Which 2009 Nature paper set out the planetary boundaries framework?

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Answer: (B) A safe operating space for humanity

Landmark: The 2009 Nature paper 'A safe operating space for humanity' by Johan Rockstroem and colleagues set out the planetary boundaries framework.From Book 1 RATNA, topic 208, point 10

Question 10 of 10

1. Article 48A is a Fundamental Duty of citizens. 2. Article 51A(g) is a Directive Principle for the State. Which of the following is/are correct?

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Answer: (D) Neither 1 nor 2

Articles: Articles 48A and 51A(g) direct State and citizens to protect the environment; the Environment (Protection) Act, 1986 is the umbrella law.From Book 1 RATNA, topic 208, point 11

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