In our day-to-day life, it often feels that these terms are used interchangeably and mean roughly the same thing. Is this truly the case?

Better understanding of these terms means that we can more easily discuss environmental issues with others and understand the distinctions of the terms we use.

Though, often used to mean the same, these terms actually have different definitions and implications.

Climate change

Climate change is the general term for changes in regional or global weather patterns that are relevant for extended periods. Weather changes occur on a daily basis. Climate changes are defined over an extended period such as decades, centuries and up to millions of years. When discussing climate change, scientists may refer to rainfall and droughts, ice ages (cooling of the earth temperature, large areas covered by ice sheets), melting glaciers, changing sea currents, desertification and long term changes in weather patterns.

Earth has had major climate changes in its 4.5 billion year history. In general it can be said that Earth fluctuates between ice ages and warmer periods sometimes referred to as greenhouse periods when no glaciers exist on earth.

Within an ice age there are glacial periods during which the Earth is mostly covered by ice and interglacial periods during which the Earth heats up but ice sheets still exist such as in the northern and southern poles.

According to this, we are in an inter-glacial period. However, the amount of carbon-dioxide in our atmosphere is predicted to trap heat and thereby prevent the next glacial period.

This brings us to, you guessed it- Global Warming.

Global warming

Global warming is a term used to define the rising temperature in the Earth’s surface in a global viewpoint. This term is a symptom of the climate change occurring throughout the planet. It is most often used to describe the climate changes due to human activities, especially those of fossil fuel burning that result in heat trapping gasses in our atmosphere that increase the Earth’s surface temperature.

The rate of temperature increase since the industrial age is much faster than at any previous point and is indicative of human effects on climate change in general. Due to global warming, melting glaciers lead to rising sea levels that threaten coastal regions. Additionally, rising seas can cause unprecedented storms and hurricanes hitting areas that in the past were not affected. Rising sea waters affect populations of marine wildlife leading to cataclysmic impact.

Shifts towards less rainfall in dry areas, heat waves and longer periods of droughts have been forecasted leading to starvation, wildfires, desertification of soils and lack of clean water for entire populations. Wet areas however may get wetter due to warm air holding more water vapors. This will lead to heavy rainfall, floods, loss of farming land, and damage to property which may also lead to loss of life.


Overall it may be said that climate change is a general phenomenon which may or may not be influenced by human activities. Global warming is a symptom of climate change and is linked to human activities and their effect on Earth.

Global warming is already happening. We must consider what we can do to reduce it. Since it is the fossil fuel burning that create the heat trapping gases, we must all consider how as a collective we minimize our carbon footprint.


climate.nasa.gov -Global Climate Change

Climate.gov– Global Warming Frequently asked Questions

NASA. gov -What’s in a Name? Global Warming vs. Climate change

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