that's a big motivation for us and normally he would enter the him to stick under the high and cutting tiley from the architects for future say construction needs to be more climate friendly to do this they say we need more refurbishing and less demolition . and we need to use a lot more of what's already there no matter how efficiently and sustainably a new building is constructed in terms of c o 2 using what's already there is much better. buildings use a lot of what's called embodied energy the sum of all the energy needed for construction when they're torn down that energy is wasted yet buildings are still being your market for demolition like munich's arabella high rise just 50 years old and the city's main train station its claim that refurbishing is more expensive than rebuilding but that doesn't factor in the cost of the embodied energy. there is another way for its new office space the n.-g. o. cradle to cradle in berlin chose to refurbish with recyclable materials. but electric idea like requiring is a good example normally we don't see the wiring because. it's built into the struc

regimes so people trying to preserve their power to do that they feel they need firearms especially tiley. with some good is the editor of a gun magazine and a gun range owner he doesn't think there's a correlation between the number of weapons and the amount of gun crime but is worried about illegal weapons in untrained hands. it's about the state of our society the state of our economy or influences from social media that people see mass shooting in america and copy the behavior of. many thais feel that if weapons remain as easy to get as they are now there could very well be more vigils held for those killed by guns it's got harder al-jazeera kharaj thailand. time for a quick check of the headlines here on al-jazeera u.s. president donald trump has publicly rebuked the leader of the white house coronavirus task force it used to deborah burke's of hurting his administration after she said that the rapid spread of covert 19 in the us represented a new phase in the pandemic dr burk's made the remarks after the democratic house speaker nancy pelosi said she'd lost confidence in her trying

regimes so people trying to preserve their power to do that they feel they need firearms especially tiley. with some good is the editor of a gun magazine and a gun range owner he doesn't think there's a correlation between the number of weapons and the amount of gun crime but is worried about illegal weapons in untrained hands. it's about the state of our society the state of our economy or influences from social media that people see mass shooting in america and copy the behavior. many thais feel that if weapons remain as easy to get as they are now there could very well be more vigils held for those killed by guns scotter al jazeera karate thailand. you're watching all this there are these on the top stories here as president donald trump is calling for schools to reopen despite surging coronavirus cases across the country more than 155000 people have died as a white house correspondent kelly holcomb has more from washington. the number of infections as we've been reporting continuing to rise in the united states and so many feeling that this is just not the time to reopen the schools t

was the inspiration for the star-spangled banner which is the american national anthem but this is tiley as well when you look at the social unrest that's taking place right now many americans now choose to take a knee when the national anthem is being played in protest of the police treatment of many minorities in this country and so it's certainly what we expect from the vice president is taking on the issue of patriotism in the midst of social unrest will be another theme that will be brought to the fore in his speech and kimberly the romance in can osha wisconsin have taken up much of the headlines across the country president trump of course wasted no time in declaring he was sending in reinforcements to quell the protests presumably he sees this as the perfect chance to show he's being tough on wrong order. absolutely that is the underlying theme of this entire republican convention and we should point out it is what this is ministration feels will be its distinction between its opposition the democrats namely joe biden and camila harris so what we expect from mike pence is that he