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Related Concept Videos

Global Climate Change01:50

Global Climate Change

Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
Microbes and Climate Change01:27

Microbes and Climate Change

Microorganisms are pivotal agents in Earth's biogeochemical cycles, significantly influencing climate dynamics through their metabolic activities. These microbes modulate the levels of key greenhouse gases by both contributing to and helping mitigate climate change.Microbial Contributions to Greenhouse Gas EmissionsRising global temperatures accelerate microbial metabolism, which, in turn, speeds up the decomposition of organic matter. This process releases carbon dioxide (CO₂) through...
What is Climate?01:16

What is Climate?

Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. Weather is what you get.” Climate is influenced by geographic factors, such as latitude, terrain, and proximity to bodies of water.
The Carbon Cycle01:14

The Carbon Cycle

Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
Threats to Biodiversity01:50

Threats to Biodiversity

There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
Adaptations that Reduce Water Loss01:57

Adaptations that Reduce Water Loss

Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.

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Control of mercury emissions from coal-fired electric utility boilers.

Environmental science & technology·2006
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Design and Use of a Full Flow Sampling System (FFS) for the Quantification of Methane Emissions
08:18

Design and Use of a Full Flow Sampling System (FFS) for the Quantification of Methane Emissions

Published on: June 12, 2016

Global climate change and the mitigation challenge.

Frank Princiotta1

  • 1Air Pollution Prevention and Control Division, National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA. Princiotta.frank@epa.gov

Journal of the Air & Waste Management Association (1995)
|October 22, 2009
PubMed
Summary

Rapidly decreasing carbon dioxide (CO2) emissions are crucial to limit global warming. Current technologies are insufficient, necessitating urgent development and deployment of new energy solutions.

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Last Updated: Jun 19, 2026

Design and Use of a Full Flow Sampling System (FFS) for the Quantification of Methane Emissions
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Area of Science:

  • Climate Science
  • Environmental Science
  • Energy Policy

Background:

  • Anthropogenic greenhouse gas emissions, particularly CO2, are driving global warming.
  • Earth has already warmed by 0.8°C since the Industrial Revolution.
  • Projected increases in industrial activity and population will exacerbate emissions.

Purpose of the Study:

  • Examine the drivers of CO2 emissions.
  • Summarize sector-by-sector mitigation options.
  • Identify research and development (R&D) priorities for emission reduction.

Main Methods:

  • Analysis of forces driving CO2 emissions.
  • Sector-specific review of mitigation strategies.
  • Assessment of current and future technology needs.

Main Results:

  • Limiting warming to 2.5°C requires a rapid shift from 3% annual CO2 growth to 1-3% annual decrease.
  • Existing energy technologies can only achieve less than half the necessary emission reductions.
  • Significant gaps exist in current energy technology R&D programs.

Conclusions:

  • New technologies are essential, especially for power generation and transportation.
  • Accelerated development and deployment of innovative energy solutions are critical.
  • Current R&D efforts are inadequate to meet climate mitigation goals.