Environmental Policy

Grade 10 · Social Studies · Study Guide

A study of how governments and international bodies develop and implement policies to address environmental challenges including climate change.

Environmental policy refers to the commitment of governments and international organizations to regulate human activity that affects the natural world. It addresses issues like air and water pollution, deforestation, biodiversity loss, and most critically today, climate change.

Climate change is driven primarily by the burning of fossil fuels, which releases greenhouse gases like carbon dioxide (CO2) that trap heat in Earth's atmosphere. Scientists at the Intergovernmental Panel on Climate Change (IPCC) have documented the accelerating warming of the planet and its consequences: rising sea levels, more frequent extreme weather, droughts, and threats to ecosystems worldwide.

The international community has attempted to address climate change through a series of landmark agreements. The Kyoto Protocol (1997) was the first legally binding treaty requiring developed nations to reduce greenhouse gas emissions. The Paris Agreement (2015) set a more ambitious goal: limiting global warming to 1.5–2°C above pre-industrial levels, with countries setting their own nationally determined contributions (NDCs).

Within nations, environmental policy is often contentious. In the U.S., the Environmental Protection Agency (EPA) enforces regulations on air, water, and toxic waste. Debates center on balancing economic growth with environmental protection, the role of renewable energy, and international fairness — should developing nations bear the same burden as wealthy industrialized countries that caused most historic emissions?

Environmental justice is a growing area of policy that addresses the disproportionate environmental burdens carried by low-income and minority communities, who often live near polluting facilities.

Key terms

Climate Change
Long-term shifts in global temperatures and weather patterns, accelerated by human greenhouse gas emissions since the Industrial Revolution.
Greenhouse Gases
Gases like CO2 and methane that trap heat in Earth's atmosphere, contributing to global warming.
Paris Agreement (2015)
International treaty aiming to limit global warming to 1.5–2°C above pre-industrial levels through nationally determined emissions reductions.
Environmental Protection Agency (EPA)
U.S. federal agency responsible for enforcing environmental laws and regulations.
IPCC
Intergovernmental Panel on Climate Change — UN body of scientists that assesses climate science and provides policy guidance.
Environmental Justice
The principle that environmental protections and burdens should be distributed fairly across all communities regardless of race or income.

Flashcards

Climate Change
Long-term warming of Earth's climate caused primarily by human greenhouse gas emissions from fossil fuels.
Greenhouse Effect
Natural process where atmospheric gases trap solar heat; intensified by human emissions, causing global warming.
Kyoto Protocol (1997)
First legally binding international treaty requiring industrialized nations to cut greenhouse gas emissions.
Paris Agreement (2015)
Landmark global treaty to limit warming to 1.5–2°C; each nation sets its own emission-reduction targets (NDCs).
EPA
U.S. Environmental Protection Agency — enforces clean air, water, and toxic waste regulations.
IPCC
UN's Intergovernmental Panel on Climate Change — the world's leading scientific body on climate science.
Renewable Energy
Energy from sources that replenish naturally, such as solar, wind, and hydroelectric power.
Carbon Tax
A fee placed on carbon-emitting fuels to reduce greenhouse gas emissions by making fossil fuels more expensive.

Questions

  1. The Paris Agreement of 2015 aimed to limit global warming to how many degrees Celsius above pre-industrial levels?

    1. 0.5–1°C
    2. 1.5–2°C
    3. 3–4°C
    4. 5–6°C
    Show answer

    Answer: 1.5–2°C

    The Paris Agreement set a goal of limiting temperature increase to 1.5°C, with 2°C as the upper limit, to avoid the most severe climate change impacts.

  2. Greenhouse gases trap heat in the Earth's atmosphere, contributing to global warming.

    Show answer

    Answer: True

    Greenhouse gases like CO2 and methane absorb and re-emit infrared radiation, trapping heat near Earth's surface and raising global temperatures.

  3. Which U.S. federal agency is primarily responsible for enforcing environmental regulations?

    1. Department of Energy
    2. Department of the Interior
    3. Environmental Protection Agency
    4. FEMA
    Show answer

    Answer: Environmental Protection Agency

    The EPA, established in 1970, enforces regulations under laws like the Clean Air Act and Clean Water Act to protect the environment and public health.

  4. The principle that all communities should share environmental protections fairly regardless of income or race is called environmental ________.

    Show answer

    Answer: justice

    Environmental justice addresses the fact that low-income communities and communities of color often experience greater pollution and environmental hazards.

  5. Which 1997 international agreement was the first legally binding treaty requiring developed nations to reduce greenhouse gas emissions?

    1. Paris Agreement
    2. Montreal Protocol
    3. Kyoto Protocol
    4. Geneva Convention
    Show answer

    Answer: Kyoto Protocol

    The Kyoto Protocol, adopted in 1997 and entering into force in 2005, was the first binding international climate treaty; notably the U.S. never ratified it.

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