7/2010: Architecture: Of curtains and other enemies. After decades of estrangement, the architects and the building's residents become closer again. From Gerhard Matzig www.sueddeutsche.de/...
7/2010: Expansion mania. On the renewed topicality of the large scale in architecture and urban planning. From Robert Kaltenbrunner
6/2010: Storming the ecological Bastille: The oil spill in the Gulf of Mexico has several truths. There is the sloppiness and indifference of the BP company. But there is also the failure of the government watchdogs. From Ulrich Beck
3/2010: Ruhr region plans eco-city for 50,000 people
When the Capital of Culture comes to an end at the end of 2010, the Ruhr region is planning a new major project with nationwide appeal: in the centre of the former coalfield, a city with a population of 50,000 is to be converted into an eco-city using all the latest technology. www.co2-handel.de/article306_13816.html
1/2010: 28th solar settlement in NRWNorth Rhine-Westphalia's newest solar housing estate with almost 140 flats was inaugurated in Schwerte at the end of August 2009. In this second solar housing estate of the Gemeinnützige Wohnungsbaugenossenschaft Schwerte eG (GWG), CO2 emissions for heating and hot water can be reduced by around 75 %. www.energieagentur.nrw.de/solarsiedlungen
On Wednesday, December 9, 2020, the Lower Saxony state parliament passed what Lower Saxony's Environment and Climate Protection Minister Olaf Lies called a "very important and groundbreaking" law: With the Lower Saxony Climate Act, the topic of climate protection is anchored in the state constitution, the state-wide energy demand is to be completely covered by renewable energies by 2040 and Lower Saxony commits to climate neutrality by 2050. Lies: "With this, we have a law that does justice to the importance of climate protection as the central social task for the coming years and decades. It sets an important course for the future. This is what this state government and the parliamentary groups that support it stand for - setting realistic goals that can also be implemented. We are setting standards and probably have the most ambitious climate law in the whole of Germany! We are consistently pursuing our goal of making Lower Saxony the No. 1 climate protection state. We are already the No. 1 energy state, and we will also achieve this in climate protection!"
The full speech by the Minister for the Environment and Climate Change:
19:26 min, 9/12/2020.
The goal is to cover 100 percent of the energy demand in Lower Saxony with renewable energies by 2040. "To achieve this, we need a massive acceleration in the expansion of wind energy and photovoltaics that exceeds the best expansion year of the last 20 years many times over - and we need to do this consistently and permanently until 2040. This is an enormous challenge, but it is urgently necessary. The Federal Government must now set the right course for this in the Renewable Energy Sources Act," said Lies.
In addition, Lower Saxony could become a driver of innovation in climate protection, the Minister emphasized: "Through strong, courageous companies, through motivated, well-trained employees, through a functioning and trusting social partnership - employers and trade unions will go hand in hand here - I am convinced of that - and last but not least through a state government that has its sights firmly set on the future of Lower Saxony and creates incentives." With the programme of measures for energy and climate protection alone, which was recently approved by the cabinet, the state government is investing more than one billion euros. Lies: "And it is doing so in order to invest well in the future - among other things in climate-friendly mobility, in the energy refurbishment of our buildings, in solar technology, in hydrogen or the transition to a greenhouse gas-neutral economy. This will create additional demand, which in turn will contribute to higher production and employment - in the skilled trades, in the construction industry or in manufacturing."
What is always needed is "a clever mix of different instruments", which has been achieved with the present programme. In future, the programme of measures will be integrated into a comprehensive climate protection strategy for Lower Saxony.
"State objective, climate law and climate protection strategy: this is Lower Saxony's climate path," said Lies, "our contribution to national and international climate protection targets and the engine for our business and industrial location. We are already the No. 1 energy state in Germany. Now we have the legal basis to also become the No. 1 climate protection country. We don't just want to be on the climate protection train, we want to be the locomotive. We owe that to future generations. They have just as much right as we do to a habitable planet - also in the future."
The Federal Cabinet has adopted the Climate Protection Plan 2050 presented by Federal Environment Minister Barbara Hendricks (SPD) by circular resolution. It is based on the guiding principle of largely neutral greenhouse gas emissions by the middle of the century. For the year 2030, it confirms the overall target of a greenhouse gas reduction of at least 55 percent compared to 1990. At the same time, this overall target is broken down to individual sectors for the first time. The plan thus provides clear orientation for all sectors.
Link
www.bmub.bund.de/...klimaschutzplan_2050_bf.pdf
"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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