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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.

Work Done During Volume Change

Work Done During Volume Change

In mechanics, work is done on an object when the force acting on it displaces the object. In thermodynamics, work done on a system can be estimated when the system's volume changes during any thermodynamic process.
Consider a gas confined to a cylinder fitted with a movable piston at one end. If the gas expands from volume V1 to volume V2, it exerts a force on the piston, such that the piston moves by a distance dr.
The work done by the gas on the piston can be expressed as

Net Change Theorem

Net Change Theorem

The Net Change Theorem is a fundamental principle in calculus that establishes a direct relationship between a function’s rate of change and its accumulated change over an interval. Mathematically, it states that the definite integral of a function's derivative over a given interval [a,b] yields the net change in the original function:This theorem has significant applications in various real-world scenarios, including physics, economics, and engineering. A particularly useful application...

Standard Entropy Change for a Reaction

Standard Entropy Change for a Reaction

Entropy is a state function, so the standard entropy change for a chemical reaction (ΔS°rxn) can be calculated from the difference in standard entropy between the products and the reactants.

Le Chatelier's Principle: Changing Temperature

Le Chatelier's Principle: Changing Temperature

Consistent with the law of mass action, an equilibrium stressed by a change in concentration will shift to re-establish equilibrium without any change in the value of the equilibrium constant, K. When an equilibrium shifts in response to a temperature change, however, it is re-established with a different relative composition that exhibits a different value for the equilibrium constant.
To understand this phenomenon, consider the elementary reaction:

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Related Experiment Video

Updated: Jan 21, 2026

Involving Individuals with Developmental Language Disorder and Their Parents/Carers in Research Priority Setting

Involving Individuals with Developmental Language Disorder and Their Parents/Carers in Research Priority Setting

Published on: June 6, 2020

Setting research priorities for tackling climate change.

B Jan Middendorf¹, P V Vara Prasad^1,2, Gary M Pierzynski^2,3

¹Feed the Future Innovation Lab for Collaborative Research on Sustainable Intensification, Kansas State University, Manhattan, KS, USA.

Journal of Experimental Botany

|August 3, 2019

Summary

Multidisciplinary research teams used participatory approaches to identify climate change research priorities. This led to better outcomes in sustainable intensification and climate-smart agriculture in sub-Saharan Africa.

Keywords:

Climate change empowerment facilitation multidisciplinary participatory approaches stakeholder engagement

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Using Generative Art to Convey Past and Future Climate Transitions

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Published on: March 31, 2023

Area of Science:

Agricultural Science
Climate Science
Development Studies

Background:

Climate change necessitates innovative research priorities identified by multidisciplinary teams.
Participatory approaches are crucial for understanding complex issues like sustainable intensification and climate-smart agriculture.

Purpose of the Study:

To explore the application of participatory research methods in identifying research priorities for climate change adaptation.
To integrate diverse perspectives into defining sustainable intensification, climate-smart agriculture, and soil fertility in sub-Saharan Africa.

Main Methods:

Employed participatory research principles and facilitation skills, integrating participatory learning and action.
Utilized case studies involving multidisciplinary research teams in Bangladesh, Tanzania, Cambodia, and Rwanda.

Main Results:

Successfully applied participatory techniques to guide proposal development for sustainable intensification initiatives.
Facilitated assessment and priority setting for climate-smart agriculture and sustainable intensification in Rwanda.
Aided in soil fertility prioritization across sub-Saharan Africa.

Conclusions:

Participatory approaches effectively shape research and policy domains for improved outcomes in climate change adaptation.
Integrating diverse stakeholders enhances the relevance and impact of agricultural research for development.