Paleoclimatic records show clearly that the past 10,000 years, the Holocene, is a remarkably stable period in which we went from being a few hunters and gatherers to become more sedentary agriculture-based civilizations, which then moved us to the current populated modern era.

It is essential to ensure that the Fourth Industrial Revolution is a sustainable one for people and planet. It could even drive greater innovation, not only for short-term benefits and solutions for human wealth but also long-term solutions that benefit all and enable planetary stability.

The value of biodiversity is that it makes our ecosystems more resilient, which is a prerequisite for stable societies; its wanton destruction is akin to setting fire to our lifeboat.

There is an old belief that solving environmental problems can only be achieved by first building enough economic wealth so we can 'afford to save the environment.' This 'Kuznets Curve' thinking has never been correct and must be abandoned once and for all if we are serious about economic development for a thriving humanity on Earth.

My campaign to become leader of the ANC was pivoted on two things: Renewing the ANC and taking back to the values the were espoused and subscribed to by Nelson Mandela, Oliver Thambo, and many other leaders.

Management is efficiency in climbing the ladder of success; leadership determines whether the ladder is leaning against the right wall.

The American Right has an amazing ability to lionize leaders whose lives are the precise antithesis of the political values that define their image.

I am convinced that your Mayor must take the leadership role in education too.