Environment, footprint, LCA and tropical plants

There is a number of very good reasons to know what Life Cycle Assessment is: one of these, is that it can answer questions like " what is the most environmentally sustainable* choice between electric and conventional cars? ".  And one more good reason is that it can also provide an answer for hydrogen cars. So, what is the short answer? I'm very tempted to reply "It depends": uncertainty is a part of life. But in reality, we have an answer and this very good study provides all details. https://sphera.com/spark/hydrogen-fuel-cell-cars-the-second-bet-for-clean-vehicles/ Now, it's a bit sad to read that conventional cars (aka Internal Combustion Engine) are not the winners of the competition. From today, I will look at my beauty (below) with different eyes (but I already have a good excuse not to get rid of it....and yes, I will tell you why it is a sustainabile excuse). But...what about hydrogen and electric cars? Well, it depends of course on the energy gri...

When you buy a coconut to grow in-house, there are three types of reaction: Reaction 1: it's a waste of money! it will die in less than two months  Reaction 2: it's a waste of money! I already tried and it died in two months. You'll come back to us with the pictures of the dead coconut in a couple of months.  Reaction 3: go dude, and let us know!  I'm a fan of reacti on 3, so I bought one in a garden center in North Italy, risking to waste up to 16 euros. It was November 2018 and here is a picture of my little coconut.     Well...the nice thing is that it did not die after two months, on the contrary it grew quite fast over the next year.   And now, after more than 2 years, it is still alive and doing well: actually, it is close to reaching the ceiling with the top leaves What is "my secret" to grow the coconut? Here is a short list of actions: 1) Choose the right position: light (a lot of light, I have velux on the roof), temperature (always >20 °C) ...