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What is Climate Change?

The sheer volume of carbon dioxide (CO₂) in the atmosphere compared to other greenhouse gases means that CO2 is by far the largest contributor to greenhouse warming. The rapid increase of CO₂ concentration in the atmosphere in these two centuries is also closely related to human activities. Therefore, we choose to focus on reducing CO₂ emission and we believe it is an area we can act upon to combat climate change.

Since the 18th century, human activities has been increasing the 'source' of greenhouse gas emissions, while at the same time weakening the 'sink' on the earth's surface, which can reduce the concentration of greenhouse gas in the atmosphere. The concentration of CO₂ in our atmosphere has increased about 30% over the last two centuries, mainly due to burning of fossil fuel (increasing the source) and a changing landuse such as deforestation (reduce capacity of the sink) because of human activities.

Additionally, while some greenhouse gases have a half-life of several decades, the half-life of CO₂ is on the order of a century. Over half of the carbon dioxide we release today will still linger in the atmosphere even in 2107.

We are part of the problem, we can be part of the solution. Reducing CO₂ emissions is possible.

Click in the One Tonne Challenge calculator now to find out how you can cut down your CO₂ emissions to combat climate change, improve air quality and save money.