Fears about supply, demand, profits and supply chains all combine into a volatile mix that delivers prices that are often higher in a crisis, but also change more rapidly and by larger amounts.

The same tools that companies use to sell products can be used to encourage people to get vaccinated, get a colonoscopy or get treated for an infection.

Some technologies could rapidly cut emissions, while others do little to fight climate change. The House bill favors the latter while nixing support for the former.

A few important dynamics are making it easier for young people to launch businesses in rural towns – especially food businesses.

A long-time leader of California’s climate efforts explains how governors from Brazil to Indonesia have become the leading edge in fighting climate change. Several are meeting this week in Brazil.

How misleading marketing leads to greenwashed consumer behaviour and ineffective recycling of waste streams.

Donald Trump says he is a big fan of oil and gas. His actions may not be of great interest to the industry. And the results may not be what he says he wants.

‘Zonal pricing’ would not address price distortions caused by gas.

The US produces more oil today than any other country, and there is no clear emergency on the scale of the energy crises of the 1970s. But there are some causes for concern.

For now, gas power is still needed to fill in the gaps when renewables can’t cover demand.