Africa is a vibrant, varied continent with a growing consumer base.

The moral case for gender equality is obvious. It should not need any explanation.

Many businesses understand the advantages of gender parity.

We need new, dynamic models for growth through the sharing economy, using big data to unlock new insights and adopting closed-loop cycles.

In Washington, I will focus on creating a climate that helps create jobs and opportunities for Americans.

We're adding a billion people every decade. We're just spin doctors. Whatever we do is supposedly great, and yet it's always at the expense of diversity and nature. We're like elephants. The ecology of the elephant is more similar to human than any other.

When I started researching the eco effects of eating meat, I'd assumed, for no good reason, that environmental irresponsibility would correspond to both animal size and deliciousness: Eating cows would be worst, eating pigs would be a bit less bad, and eating chickens would be basically harmless.

On an increasingly crowded planet, humanity faces many threats - but none is greater than climate change. It magnifies every hazard and tension of our existence.