To encourage the plantation of more trees, a university in Madhya Pradesh's Ujjain is planning to impose a voluntary "green cess" on people who visit its campus every day for exercise. The reason: "To ...

This week's question comes from Holly Irving in Lake Echo Nova Scotia. She asks: Which trees of the same age or size provide us with the most oxygen over the course of a year, deciduous or evergreen?

As winter fades (quite rapidly this year) and spring emerges, trees undergo a fascinating transformation, signaling a new cycle of life. During winter, trees lie dormant, conserving energy and waiting ...

We all know that we should plant more trees to minimise the damage caused by pollution, but did you know that trees reduce one-third of global emissions every year? Planting more trees can reduce the ...

While oxygen first appeared in Earth's atmosphere 2.4 billion years ago, it took another two billion years to reach the levels we breath in today. Now a researchers believe they have identified what ...