So why is our planet alone so hospitable? In part, we owe our existence to a process called the greenhouse effect. Inside an artificial greenhouse filled with plants, the surrounding glass traps ...

But when applied to the whole planet, the greenhouse effect is ... These add no extra carbon dioxide to the atmosphere and have no effect on our carbon footprint. For example, walking or cycling ...

The greenhouse effect refers to the atmospheric process that causes a rise in Earth's temperature due to the presence of greenhouse gases. Certain naturally occurring gases, such as water vapor ...