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Global Climate Change

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?

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.

Radiation: Applications

Radiation: Applications

The average temperature of Earth is the subject of much current discussion. Earth is in radiative contact with both the Sun and dark space; it receives almost all its energy from the radiation of the Sun and reflects some of it into outer space. Dark space is very cold, about 3 K, so Earth radiates energy into it. For instance, heat transfer occurs from soil and grasses, the rate of which can be so rapid that frost can occur on clear summer evenings, even in warm latitudes.
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What is Weather?

What is Weather?

The Carbon Cycle

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.

Adaptations that Reduce Water Loss

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Related Experiment Video

Updated: Aug 12, 2025

Author Spotlight: Advancing Place-Based Biochar Production for Ecosystem Restoration and Soil Health

Author Spotlight: Advancing Place-Based Biochar Production for Ecosystem Restoration and Soil Health

Published on: April 5, 2024

Climate teleconnections modulate global burned area.

Adrián Cardil^1,2,3, Marcos Rodrigues^4,5, Mario Tapia⁶

¹Joint Research Unit CTFC-AGROTECNIO-CERCA, Solsona, Spain. acardil@tecnosylva.com.

Nature Communications

|January 26, 2023

Summary

This summary is machine-generated.

Global climate teleconnections (CT) significantly impact burned area worldwide, influencing vegetation and moisture. Understanding these regional CT-fire relationships aids global fire management and policy.

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Author Spotlight: Advancing Place-Based Biochar Production for Ecosystem Restoration and Soil Health

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Simulating Temperature in a Soil Incubation Experiment

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Published on: October 28, 2022

Split Point Analysis and Uncertainty Quantification of Thermal-Optical Organic/Elemental Carbon Measurements

Split Point Analysis and Uncertainty Quantification of Thermal-Optical Organic/Elemental Carbon Measurements

Published on: September 7, 2019

Area of Science:

Environmental Science
Climate Science
Ecology

Background:

Climate teleconnections (CT) are known to influence regional weather patterns, affecting key fire activity drivers like vegetation biomass and moisture.
Previous research has indicated potential links between large-scale climate patterns and fire regimes, but a comprehensive global synthesis is lacking.

Purpose of the Study:

To identify and quantify the relationships between major global climate teleconnections and burned area across different continents and biomes.
To explore both synchronous and lagged effects of CTs on fire activity.
To synthesize these relationships into a framework of global CT domains for improved fire management.

Main Methods:

Statistical analysis of global climate teleconnection data and satellite-derived burned area records.
Identification of significant synchronous and lagged correlations between CTs and burned area.
Regional analysis across continents and biomes to understand spatial variations in CT-fire relationships.

Main Results:

Climate teleconnections were found to modulate 52.9% of the global burned area.
The Tropical North Atlantic mode was identified as the most influential CT.
Significant regional patterns and variations in CT-fire relationships were observed across different continents and biomes.

Conclusions:

Global climate teleconnections play a substantial role in modulating global burned area, with distinct regional impacts.
The identified CT-fire relationships provide a foundation for understanding fire dynamics in diverse ecosystems.
These findings can inform and enhance global fire management strategies and policy-making.