Choosing between real and artificial Christmas trees largely comes down to personal preference: do you want that cosy pine smell and hellacious clean-up, or built-in lights with no personal touch but nary a needle on the floor? Personal preference aside, though, there's someone else who probably cares: Mother Earth.

A few weeks ago, I published a review of the new Tile Pro trackers - dubbed Style and Sport. I have one attached to my car keys and the other to my house keys. I also have a Tile Slim, that I tuck into my backpack or satchel, depending on which bag I'm using while I travel. But a warning message that appeared in my Tile app yesterday has me rethinking these handy devices.

There's no doubt that if we're going to stop or even slow down climate change, we have to get our collective crap together. But collective action starts with individual choices, and for all the data-driven decision makers out there, the path forward just got a bit more lucid. A new study in Environmental Research Letters has determined exactly which life choices reduce our carbon footprints the most.

You can now buy rechargeable batteries and charging stations from IKEA, as part of a new range designed to be stylish enough to be left out in the open at home.