Lifestyle

Warmer climate contributes to spread of the Zika virus
February 10, 2016 09:51 AM - Nadia Pontes, The Ecologist

The Aedes mosquitos that carry the Zika virus and dengue fever are not just perfectly adapted to life in cities, writes Nadia Pontes. They are also being helped along by warming climates which increase their range. It's time to get serious about the health implications of a hotter planet.

Global warming affects the abundance and distribution of disease vectors. As regions that used to be drier and colder start to register higher temperatures and more rain, mosquitoes expand their breeding areas, which increases the number of populations at

The explosion in the number of Latin American cases of microcephaly - a congenital condition associated with maldevelopment of the brain - has become an international emergency due its "strongly suspected"link with the rapidly spreading Zika virus, according to the World Health Organisation(WHO).

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How to make your new house a sustainable one
January 18, 2016 11:24 AM - Ewa Gromadzka

People might falsely believe that when they are building a house incorporating any sustainable solutions require additional costs and effort. It is actually the opposite. Some of the sustainable solutions require very little in any financing with comparison to the costs that need to be incurred anyways in a newly constructed building. Moreover, while an initial cost might be a bit higher as for purchasing, for example a sustainable heating system, there is a fast return on investment as utility bills are much lowers with sustainable heating than a standard one. It is possible to save around 30% on the use of energy and water in a sustainable house. That is a case with any other sustainable solution, when it pays off to invest in environment friendly solution in every case.
Below there is list of sustainable solutions that can be applied in every house.

  1. Heat recovery system for the ventilation, heating and cooling.
  2. The use of geothermal heat pump for heating the house, allows for great savings on heating costs.
  3. It is common to use only floor heating as a heating option in energy efficient houses (no radiators). 
  4. Use of low energy doors and windows (recommended triple glazed windows).

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SPOTLIGHT

Toilets Confront Climate Change

Shahani Singh, SciDevNet

Two-and-a-half billion people worldwide have no access to safe, durable sanitation systems. Brian Arbogast, director of the water, sanitation and hygiene programme at the Bill & Melinda Gates Foundation, tells SciDev.Net how innovative toilet technologies and business models could help fix this — and help communities cope with the devastation of climate change.

How does climate change impact sanitation?

With sea levels rising, you have flooding that causes huge health problems. As latrines and septic tanks get flooded and waste goes into the streets and streams, it can carry a lot of disease, including cholera, dysentery and typhoid.

The problem is that the world has only one gold standard for sanitation, which is having flush toilets connected to sewer lines, that are further connected to big and expensive wastewater treatment plants. Growing cities that already have water shortages may not have enough water for everybody to bathe and cook, let alone to flush toilets. So, are these cities going to follow the same path we have taken for the last century in developed cities?

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