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One thousand years ago, what was the Earth’s weather like? The answer to that question is not as difficult as you might think. Older trees can provide an insight into this through their tree rings. Tree rings and climate change are directly related. Furthermore, scientists can now make predictions and offer warnings about our future through these same rings. But, …

Governments can charge a carbon tax on companies and individuals for the carbon dioxide (CO2) they emit. The amount of CO2 emitted determines the cost of the penalty. Pros of a tax on carbon include increasing the cost of carbon-emitting fossil fuels. This provides an incentive to use clean alternatives, thereby reducing our carbon footprint. However, critics argue that companies …