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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.
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.
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...
Origin of Photosynthesis01:26

Origin of Photosynthesis

Photosynthesis represents a fundamental biological process that transformed Earth's atmosphere and paved the way for complex life. Emerging roughly 3.4–3.8 billion years ago, the earliest photosynthetic organisms harnessed light energy to produce organic compounds. These anoxygenic phototrophs used electron donors like hydrogen sulfide (H₂S) or ferrous iron (Fe²⁺), rather than water, and did not release molecular oxygen (O₂) as a byproduct. Various groups, including green sulfur and purple...
What is Weather?01:07

What is Weather?

Overview
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.

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Related Experiment Video

Updated: Jun 30, 2026

Using Generative Art to Convey Past and Future Climate Transitions
06:10

Using Generative Art to Convey Past and Future Climate Transitions

Published on: March 31, 2023

The origin of climate changes.

P Delecluse1

  • 1Centre National de Recherche Météorologique, Météo-France, Paris Cedex 07, France.

Revue Scientifique Et Technique (International Office of Epizootics)
|September 30, 2008
PubMed
Summary

Global warming is accelerating due to human-caused greenhouse gas emissions, leading to rising temperatures and environmental impacts. Immediate action is needed to reduce emissions and adapt to inevitable climate change.

Area of Science:

  • Climate Science
  • Environmental Science
  • Earth System Science

Background:

  • The Intergovernmental Panel on Climate Change (IPCC) synthesizes global climate change research.
  • The 2007 IPCC report highlighted observed warming trends and their attribution to human activities.
  • Current climate change impacts include rising global temperatures, reduced snow cover, and melting ice.

Purpose of the Study:

  • To summarize key findings on the current state of climate change.
  • To present projections of future climate scenarios and their impacts.
  • To emphasize the need for societal action on climate change mitigation and adaptation.

Main Methods:

  • Synthesis of recent scientific knowledge on climate change.
  • Analysis of observational data on temperature, snow cover, and ice extent.

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Simulating Temperature in a Soil Incubation Experiment
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Simulating Temperature in a Soil Incubation Experiment

Published on: October 28, 2022

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Last Updated: Jun 30, 2026

Using Generative Art to Convey Past and Future Climate Transitions
06:10

Using Generative Art to Convey Past and Future Climate Transitions

Published on: March 31, 2023

Simulating Temperature in a Soil Incubation Experiment
08:39

Simulating Temperature in a Soil Incubation Experiment

Published on: October 28, 2022

  • Utilizing numerical modeling and statistical analysis to attribute warming trends.
  • Review of IPCC emission scenarios and climate model ensembles.
  • Main Results:

    • Observed warming of Earth's surface and oceans.
    • Significant reduction in land snow cover and melting of sea ice and glaciers.
    • Strong evidence linking warming trends to increased greenhouse gas emissions from human activities.
    • Projections indicate dangerous temperature levels for the biosphere and ecosystems within this century.

    Conclusions:

    • Human activities are unequivocally driving climate change through greenhouse gas emissions.
    • Future climate scenarios predict severe impacts on ecosystems and hydrological systems.
    • Societies must implement emission reduction strategies and adaptation measures.
    • Sufficient knowledge exists to initiate climate action, with a need for further research to inform long-term decisions.