地球温暖化とは地球表面の大気や海洋の平均温度が長期的に見て上昇する現象である。現在、温暖化が将来の人類や環境へ与える悪影響を考慮して、さまざまな対策が立てられ、実行され始めている。

Global warming Quiz

Choose the correct answer.

1. Global warming refers to the ________ in the average temperature of the Earth's near-surface air and oceans in recent decades.

a) equable

b) decrease

c) increase

2. The global average air temperature near the Earth's surface rose 0.74 ア 0.18 。C during the last ________ years.

a) 10

b) 1,000

c) 100

3. IPCC is ________.

a) The Intergovernmental Panel on Climate Change

b) The International Power for Climate Change

c) The Intergovernmental Power of Climate Change

4. Most of the observed increase in globally averaged temperatures since the mid-20th century is very likely due to the observed increase in ________.

a) anthropogenic greenhouse gas concentrations

b)the Earthユs orbit around the sun (orbital forcing)

c) volcanic eruptions

5. Climate model projections summarized by the IPCC indicate that the average global surface temperature will likely rise a further 1.1 to ________ 。C during the 21st century.

a) 6.4

b) 2.4

c) 4.4

6. Increasing global temperatures will not cause ________ to rise.

a) O2 levels

b) CO2 levels

c) sea levels

7. Most national governments have signed and ratified the ________ Protocol, aimed at reducing greenhouse gas emissions.

a) Kyoto

b) Tokyo

c) Okinawa

8. Global temperatures on both land and sea have increased by 0.75 。C relative to the period ________ , according to the instrumental temperature record.

a) 1860-1900

b) 1900-1960

c) 1960-2000

9. Most studies focus on the period up to 2100, warming and sea level rise are expected to continue for more than a ________ even if greenhouse gas levels are stabilized.

a) decade

b) century

c) millennium

10. Paleoclimatologist(古気候学者) William Ruddiman has argued that human influence on the global climate began around ________ years ago with the start of forest clearing to provide land for agriculture.

a) 2,000

b) 4,000

c) 8,000

Global warming

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Sumito Odaka