Global warming is the long-term warming of the planet's overall temperature. Though this warming trend has been going on for a long time, its pace has significantly increased in the last hundred years due to the burning of fossil fuels. As the human population has increased, so has the volume of fossil fuels burned.

what is online learning? Online learning means that you study remotely. It's also referred to as called Distance Learning or E-learning. It's an alternative way to study at university, and instead of going to classrooms, you study at home, or wherever you choose, via the internet.