Lecture by Prof. Quaschning "Energiewende, Climate Protection and Citizen Energy
Published
24 min., published on 22.09.2016
Internationally, the German government promises effective climate protection measures. But with the current energy policy, it is impossible to keep these promises. In his lecture at the 3rd Citizens' Energy Convention, Prof. Volker Quaschning explained to the State Secretary for Energy Rainer Baake, who was present at the event, the undesirable developments in German energy policy and the need for change for a functioning energy transition.
The video is worth watching, it is a factual as well as unsparing analysis of the current energy policy of the German government. In the meantime, there is also an interesting discussion on the topic on the YouTube page, especially with regard to the State Secretary Rainer Baake, who was addressed several times by the speaker.
The rent cap has been in force in Berlin since the end of February 2020 and is now having an effect:
by 8%, asking rents for capped existing apartments are on average
while prices for new buildings not covered by the specifications rose by 17%.
As a result of the Corona crisis, the state will implement emergency aid and far-reaching stimulus measures of historic proportions. While the focus is on health and short-term support for workers and businesses, the mistakes of past economic crises must not be repeated. The planned aid for an economic reboot can set the course for the necessary transformation. A number of examples illustrate how short-term economic support can be reconciled with long-term social priorities.
"The raw material wood is precious. It is therefore important to use it responsibly and in a way that conserves resources," warns Peter Aicher, Chairman of Holzbau Deutschland. Even if wood is affected by environmental influences or the bark beetle, it does not represent an inferior raw material, but has almost identical properties to conventional construction timber. "If the so-called 'calamity wood' has the same structural quality in terms of load-bearing capacity as conventional sawn timber, it can be used without restrictions," explains Aicher. In addition, the wood retains its important function as a CO2 sink, regardless of external impairments.
"If the wood is used as a building material, the carbon bound in the wood remains stored there in the long term, thereby significantly reducing the burden on the environment."
The goal must be an economically and ecologically sensible and efficient use of the domestic resource. In the interests of sustainability and climate protection, regional wood resources should therefore be used optimally.
Calamity wood is of high quality and can be used without restrictions
In most cases, bark beetle infestation is irrelevant for the use of the wood as a building material. The bark beetle lays its burrows in the bast, i.e. the area between the bark (bark) and the trunk, but not in the load-bearing wood itself. In addition, the sawn timber is technically dried during further processing. During this process at the latest, any remaining populations of insect pests are reliably killed off, so that beetle-free timber processed into sawn timber is guaranteed to be beetle-free. Every piece of sawn timber - regardless of its origin - must meet the criteria of DIN standard 4074 in order to be used as load-bearing timber in a building. In some cases, the wood turns a slightly bluish colour after a bark beetle infestation. It can then be used in the non-visible area.
Environmental factors and the effects of climate change have further facilitated the mass spread of the bark beetle in the past year. In most cases, rapid felling of the affected trees is the only alternative to stop the further spread of the pest. The logs are immediately removed from the forest and stored. This results in an oversupply of so-called 'beetle wood'. The prompt further processing of the calamity wood into sawn timber is an active contribution to climate protection.
Holzbau Deutschland appeals to the public sector as well as to architects and builders to make greater use of regional calamity wood and to specify this in tenders. The use of domestic calamity wood not only supports regional value creation, but is also a sign of solidarity with regional forest owners.
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