What causes climate change ?

Explanation:It describes changes in the state of the atmosphere over time scales ranging from decades to millions of years. These changes can be caused by processes inside the Earth, forces from outside (e.g. variations in sunlight intensity) or, more recently, human activities. Ice ages are prominent examples.

The choices we make always affect someone. At times, a choice may primarily affect the person who makes it, but never exclusively. ... There is an attitude in many people today that promotes making choices with little to no regard for others. It is not selfishness, but more self-centeredness through ignorance.