How two farm-boys-done-good could change the world

While everyone loves Commander Chris Hadfield, it's Iowan James Hansen who really needs the attention.

One was a farm boy from Ontario, the other the son of itinerant Iowa farmers. Both are now world-renowned scientists and activists with the attention of global leaders. However, the public only listens to one of them. The wrong one.

Commander Chris Hadfield has expanded our horizons, making the International Space Station an accessible place to virtually visit, and giving us wonderful views of our planet photographed from space. When the Canadian astronaut recorded a version of David Bowie's Space Oddity for his departure from the ISS, it was played on national news broadcasts across the globe and has been viewed more than 12 million times on YouTube.

It's a stark contrast with the stern-faced Iowan caution of James Hansen. The world's most renowned climate scientist has little joy to bring. Instead of heart-warming photos of electric lights blazing from the surface of Earth, he has dull graphs showing the slow, steady advance of the global warming apocalypse – ironically, caused in part by the electric lights that have made Hadfield's pictures so popular. Hansen doesn't have a song.

He doesn't even have a particularly motivating speaking style. You'd be forgiven for thinking that Hansen was a firebrand. He gets arrested in protests over environment-damaging mining practices and the construction of a pipeline that will bring the world's dirtiest oil to market. NASA has tried to gag him – and he gathered evidence of this and then took it to the New York Times. He has lobbied national leaders the world over. But Hansen is a fact-driven, cautious speaker who is careful not to get emotional over his message.

That is probably why it hasn't made any headway. If you heard the sound of weeping and gnashing of teeth in central London last night [16 May], it was because Hansen was giving a talk. The howling from the LSE lecture hall wasn't outrage over climate change - everyone in the building already appreciated those facts. What became increasingly clear as Hansen spoke was that there is no way to make anyone in power do anything about them.

Being informed is not enough. In April, Hansen retired from his position as director of NASA's Institute of Space Studies in order to be able to sue the federal government (government employees are not allowed to sue their employer) over their lack of action on climate change. The federal government's defence is likely to be, "well, it was all so dull, James."

By Hansen's own admission, the whole subject is "too technical for the public". He has tried to soften the message by framing the issue in terms of the world that we are bequeathing to his descendants. In his book Storms of my Grandchildren, Hansen allowed himself "one graph per chapter" he said last night. It was still too much: the book was dismissed as dry. He is currently forcing his message downwards in complexity by working on another book that is composed of a series of letters to his first grandchild, called Sophie's Planet. He's not confident it will make any difference at all. An audience member asked how he would reach the people who mattered: the ones who didn't fancy coming to hear him speak. "I don't really have a good answer to that," he said.

It would be interesting to know what Hadfield's answer would be - if he were allowed to speak. Hansen was in Europe to give testimony to the European Parliament about the folly of using oil from the Canadian tar sands. This is not something a Canadian scientist can do: if they receive government money, they are not allowed to talk about environmental issues without government permission, which is rarely forthcoming. Coverage of government-funded climate change research has dropped by 80 per cent in Canadian media because reporters can't access the researchers.

By now, however, Hadfield surely has the global currency to take off the gag without fear of reprisals from the Harper government. Perhaps he could even write the protest song that Hansen so desperately needs. At the end of the 1960s, the Apollo astronauts' experience and photography of Earth from space kick-started the modern environmental movement: their photographs made us fall in love with Earth. Hadfield has successfully repeated the trick for the age of social media – now he should use his power for good. If he were to join forces with Hansen, it's conceivable that two farm boys might just save the world.

The crew of the ISS, including Commander Chris Hadfield, return to earth. Photograph: Getty Images

Michael Brooks holds a PhD in quantum physics. He writes a weekly science column for the New Statesman, and his most recent book is At the Edge of Uncertainty: 11 Discoveries Taking Science by Surprise.

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Workers' rights after Brexit? It's radio silence from the Tories

Theresa May promised to protect workers after leaving the EU. 

In her speech on Tuesday, Theresa May repeated her promise to “ensure that workers’ rights are fully protected and maintained".  It left me somewhat confused.

Last Friday, my bill to protect workers’ rights after Brexit was due to be debated and voted on in the House of Commons. Instead I sat and watched several Tory MPs speak about radios for more than four hours.

The Prime Minister and her Brexit Secretary, David Davis, have both previously made a clear promise in their speeches at Conservative Party conference to maintain all existing workers’ rights after Britain has left the European Union. Mr Davis even accused those who warned that workers’ rights may be put at risk of “scaremongering". 

My Bill would simply put the Prime Minister’s promise into law. Despite this fact, Conservative MPs showed their true colours and blocked a vote on it through filibustering - speaking for so long that the time runs out.

This included the following vital pieces of information being shared:

David Nuttall is on his second digital radio, because the first one unfortunately broke; Rebecca Pow really likes elephant garlic (whatever that is); Jo Churchill keeps her radio on a high shelf in the kitchen; and Seema Kennedy likes radio so much, she didn’t even own a television for a long time. The bill they were debating wasn’t opposed by Labour, so they could have stopped and called a vote at any point.

This practice isn’t new, but I was genuinely surprised that the Conservatives decided to block this bill.

There is nothing in my bill which would prevent Britain from leaving the EU.  I’ve already said that when the vote to trigger Article 50 comes to Parliament, I will vote for it. There is also nothing in the bill which would soften Brexit by keeping us tied to the EU. While I would personally like to see rights in the workplace expanded and enhanced, I limited the bill to simply maintaining what is currently in place, in order to make it as agreeable as possible.

So how can Theresa May's words be reconciled with the actions of her backbenchers on Friday? Well, just like when Lionel Hutz explains to Marge in the Simpsons that "there's the truth, and the truth", there are varying degrees to which the government can "protect workers' rights".

Brexit poses three immediate risks:

First, if the government were to repeal the European Communities Act without replacing it, all rights introduced to the UK through that piece of legislation would fall away, including parental leave, the working time directive, and equal rights for part-time and agency workers. The government’s Great Repeal Bill will prevent this from happening, so in that sense they will be "protecting workers’ rights".

However, the House of Commons Library has said that the Great Repeal Bill will leave those rights in secondary legislation, rather than primary legislation. While Britain is a member of the EU, there is only ever scope to enhance and extend rights over and above what had been agreed at a European level. After Brexit, without the floor of minimum rights currently provided by the EU, any future government could easily chip away at these protections, without even the need for a vote in Parliament, through what’s called a "statutory instrument". It will leave workers’ rights hanging by a thread.

The final change that could occur after we have left the EU is European Court rulings no longer applying in this country. There are a huge number of rulings which have furthered rights and increased wages for British workers - from care workers who do sleep-in shifts being paid for the full shift, not just the hours they’re awake; to mobile workers being granted the right to be paid for their travel time. These rulings may no longer have legal basis in Britain after we’ve left. 

My bill would have protected rights against all three of these risks. The government have thus far only said how they will protect against the first.

We know that May opposed the introduction of many of these rights as a backbencher and shadow minister; and that several of her Cabinet ministers have spoken about their desire to reduce employment protections, one even calling for them to be halved last year. The government has even announced it is looking at removing the right to strike from transport workers, which would contradict their May’s promise to protect workers’ rights before we’ve even left the EU.

The reality is that the Conservatives have spent the last six years reducing people’s rights at work - from introducing employment tribunal fees which are a barrier to justice for many, to their attack on workers’ ability to organise in the Trade Union Act. A few lines in May’s speech doesn’t undo the scepticism working people have about the Tories' intentions in this area. Until she puts her money where her mouth is, nor should they. 

Melanie Onn is the Labour MP for Great Grimsby.