This extremely popular and captivating video shows statistics on the 7 billion people who live on this earth.
Connect your daily life experiences with specific points in a reading using a Double Entry Diary.
Even though there are now more than 7 billion people on Earth, we can't change the planet's orbit.
Human population has increased dramatically, but there are many ways to measure biological success.
Aquaponics is a more sustainable way of growing food. Fish produce waste that fertilizes plants, which clean the water. All this happens indoors so the system uses little water and no harmful chemicals.
A graphic representation of population growth, along with an article about population growth in general.