Academics at Leeds University have come up with six pledges that they say would make a big difference to the environment if we all signed up to them.
They are asking us to sign up for one, three, or six months, but clearly if people changed their lifestyles and kept to as many as possible for life it would be even better.
Would you be willing and/or able to take the pledge? These are their suggestions:
Eat a largely plant-based diet, with healthy portions and no waste
I only eat meat when out, as my husband is vegetarian, so it's easier for us both to eat a plant-based diet at home. I am trying not to throw away food by using up leftovers wherever possible. I don't always succeed, but I do my best.
Buy no more than three new items of clothing per year
I haven't bought many clothes since Covid hit. If buying knitting yarn and things like socks and underwear don't count, I could stick to three items a year, I think.
Keep electrical products for at least seven years
I keep electrical products until they break, but sometimes that is before seven years are up. My TV is over seven years old, and my hairdryer is more like 30 years! I'm not sure that that pledge makes enough allowance for built-in obsolescence, though.
Take no more than one short haul flight every three years and one long haul flight every eight years
I haven't flown since Covid struck, and am happy to take holidays in the UK these days. I've never been one for domestic flights, and only flew long-haul on business anyway, so that one's easy enough.
Get rid of personal motor vehicles if you can – and if not keep hold of your existing vehicle for longer
I don't drive, although my husband runs a car. I wouldn't want to give that up, but he's not interested in 'status cars', and will keep this one until it's on its last legs.
Make at least one life shift to nudge the system, like moving to a green energy, insulating your home or changing pension supplier
I'm less sure about this one. It's too late to change my pension, and I'm not sure how to 'move to a green energy'. Things like solar panels don't appeal, but if something new comes along that can be done without too much expense or disruption I'd definitely consider it.