Hydrogen is our most abundant element and emits just water when it's burned, so it could well play a role in helping us to reach net zero. 

Today's Covid figures are a reminder of the devastating effects of the disease.

The latest ONS figures out today show job vacancies are at a record high of nearly one million while unemployment has fallen in the quarter from April to June. Are these further signs the economy is on the road to recovery?

Covid rules have officially changed. From today, under 18s and people who are fully vaccinated in England and Northern Ireland no longer have to self-isolate after coming into contact with someone who's tested positive for the virus. 

When the decision to begin the withdrawal from Afghanistan was announced in June, the government said it would rapidly accelerate applications made under its Afghan Relocation and Assistance Policy - many by former interpreters for British forces. 

The loss of Afghanistan to the Taliban is prompting a political crisis in Westminster, with MPs called back to parliament later this week. 

At the beginning of the pandemic, scientists speculated that around 60 to 70% of people might need to be immune to the virus to hit the “herd immunity” threshold.

So what strategy can the international community now grasp from the wreckage of comprehensive defeat. 

Operation Enduring Freedom the Americans called it. 

The IOPC, the Independent Office for Police Conduct, has launched an investigation into why officers returned Jake Davison's gun and firearms permit to him last month after they'd taken them away following an alleged assault.  

I've also been speaking to the Labour MP and mayor of South Yorkshire, Dan Jarvis. 

Fawzia Koofi is a peace negotiator and former Afghan member of parliament. She's survived a number of assassination attempts during her career fighting for women's rights in Afghanistan. 

Afghan President Ashraf Ghani defied expectations and remained in post today, telling Afghans he is holding urgent talks with local and international leaders to find a way to halt the Taliban offensive across Afghanistan. 

The police watchdog has said it will be launching an investigation into the Devon and Cornwall force.

All the Afghan, British and American lives lost and the decades spent bogged down in the conflict.