A study published in Nature last week shows that the extra CO2 in the atmosphere is causing trees to grow bigger in the rainforests, absorbing a net extra 5bn tons of CO2.
Tropical trees are absorbing more carbon than they would naturally, grow bigger, and unwittingly provide a helping hand in the fight against climate change.
It is very much a case of eat as much as you can, while food is abundant and readily available. It appears that trees, like humans, do have a good go at the buffet while it's there. It's not surprising that in areas such as the tropics, where rain is abundant and growth can be sustained, the excess of CO2 can just be the thing for the largest tree specimens to go supersize.
This emphasises the importance of the rainforests as carbon sinks and how urgent it is that we restore them to their past glory. The earth has lost over three quarters of its forests during the last century, so we do have quite a lot of ground to recover. This is the challenge to combat climate change.
It's good news that governments are now talking about REDD (reduction of emissions by preventing deforestation) to include reforestation and prevented deforestation in the successor to the Kyoto protocol. For a while reforestation projects didn't have a good reputation but this is fortunately changing and there's now talk of financial commitments to prevent deforestation.
The UK government commissioned a report, the Eliasch Report, on financing global forests and the cost of preventing deforestation. Indirectly, all this has a lot to do with the financial incentives for countries such as Brazil and Indonesia to prevent illegal logging. I think this might be the wrong angle - paying people to stop destroying their own forests doesn't address the issue of why they are doing it in the first place. Illegal logging can move elsewhere and the subsidies will be money wasted. The real solution is to turn deprived communities into skilled farming communities who will benefit from sustaining the rainforests. So long as everyone can have a vested interest and views the rainforest as an asset of greater financial value than its timber content, then we will have a solution.
I believe, as we all do in Carbonica, that reforestation is the only acceptable form of carbon offset. The rainforests are the only mechanisms we have to absorb carbon from the atmosphere. Other projects, such as renewable energy projects are often a disguised form of deception. For example, if I was to put a wind turbine on my roof and sell carbon offsets from the emissions I have saved (by not connecting to the national grid and being self-sufficient in my electricity consumption), I would probably be able to get CDM certification, the Gold Standard and all possible rubberstamped "certified" and "authenticated" credentials one can imagine. However, it does seem ethically objectionable. Why should I pay for my own wind turbine by allowing other people to emit CO2 into the atmosphere with these so-called carbon "credits"?
How can we talk about "credits" or "allowances" to release CO2? It is a farce in this day and age of global warming.
I don't know how my wind turbine differs from some hydroelectric project in the developing world. Such a project would be deemed as contributing to "renewable energies" but it would create tons of CO2 in carbon credits because the local community is no longer using a coal-fired station. Well, my question is that they shouldn't be using a coal-fired station in the first place. If they stop doing that, then that's great, but that does not entitle someone else to spew into the atmosphere all the junk that the coal-fired station would have emitted. Otherwise the end result is the same, and we have gained absolutely nothing in terms of addressing climate change.
If, on the other hand, we restore the rainforest as a form of carbon offset, we recapture the CO2 emitted and in the long term even more than was emitted, as well as adding to the planet's biodiversity, and helping local communities earn a living. And it's important that we talk about reforestation and not only about prevented deforestation. Reforestation means progress in the fight against climate change, because we increase the capacity of the planet to absorb CO2. Prevented deforestation simply leaves us where we are.
In my opinion deforestation can be prevented by turning illegal loggers into farmers and effectively the drivers of reforestation.
Brunella Bell
brunella@carbonica.org