Recent Posts by Garrett Nagle

More flooding is inevitable, says IPCC

According to the Intergovernmental Panel on Climate Change (IPCC) extreme events that used to have a return period of once every century could be happening on some coastlines very year by 2050.They reported that serious impacts in the world’s oceans and ice caps are inevitable. However, they also point out that impacts could be even worse without a reduction in fossil fuel emissions, including sea level rises of over 4 metres by 2300. The oceans are under great threat from sea ...

High yielding seeds in East Africa

In eastern Uganda, population growth has forced farmers to farm smaller plots of land. Whereas in the past many farmers had access to manure from their animals, increasingly they are having to rely on chemical fertilisers. Moreover, farmers used to keep part of one year’s crop to plants for the following year’s produce. This has become less common and farmers are more likely to buy high yielding varieties (HYVs) of seed to produce their crop. HYVs, along with irrigation water ...

Urban farming

Urban farming (also known as vertical farming) is an intensive form of agriculture which produces high quality crops year round. Crops are grown in an artificial environment in which temperature and humidity are carefully controlled. Up to 95% of water is recycled and nutrients are carefully provided. LED lighting provides the wavelengths that plants require so energy is saved. Insects are not present so pesticides are not required. Nevertheless, electricity bills are high and the threat of power cuts is a ...

Deforestation in Brazil

Brazil accounts for around 40% of the world’s rain forests and around 10-15% of the world’s biodiversity. Over the last fifty years, it has lost about 20% of the original 4 million km2 of rainforest due to farming, logging, dam construction, mining and other infrastructural developments. At the same time, average temperatures have increased by 0.6ºC, and the area has experienced a number of severe droughts. Between 2004 and 2012, the rate of deforestation slowed down, but by 2017 it had ...

Heatwaves

By Monday, August 26, 2019 No tags 0

Many parts of the Northern Hemisphere have experienced heatwaves over the last month. Gallargues-le-Mountueux recorded France’s highest ever temperature of 45.9°C, beating the existing record by 1.8°C. Cambridge recorded the highest temperature ever in the UK. In June, the summit Mount Blanc recorded a temperature of 7°C, whereas normally it would have been below 0°C. Records were broken across Switzerland, Germany, Austria and Spain. The impacts of heatwaves are often underestimated. Images of hurricanes and floods may have a greater impact, ...

Migration in Myanmar

By Friday, August 23, 2019 No tags 0

Myanmar has experienced a surge in migration over the last decade. Many were forced to abandon their homes following Cyclone Nargis is 2008. However, the lifting of restrictions on internal migration, and the attraction of foreign investment has led to a rapid increase in the number of migrants to urban areas, and an increase in the economy of around 6% annually. The garment sector is one of Myanmar’s strongest parts of the economy, with exports of clothes and shows increasing ...

Conquering Everest

By Wednesday, July 31, 2019 No tags 0

In recent weeks, there has been a number of concerns raised about the number of climbers on Mount Everest, and the number of deaths, as well as the pollution of the environment by discarded equipment and the number of dead bodies left on the mountain. Everest is an extreme environment, but is proving increasingly popular for tourists. Once the preserve of elite climbers, now it is becoming the focus for many inexperienced climbers who want a thrill, and can afford ...

Combating the globalisation of waste management in south-east Asia

By Monday, July 29, 2019 No tags 0

For a long-time, south-east Asia and other parts of West Africa have accepted waste from the world’s rich nations and recycled, reused or dumped it in their own environment. Even today, there are containers full of unwanted waste sitting in. However, these countries are increasing against the dumping of rich nations’ waste in emerging economies (i.e. their own. Even the UN has called for a control on global plastic dumping in poorer countries (https://www.no-burn.org/brscop). "Collectors' Work" by Ikhlasul Amal is licensed under CC BY-NC 2.0  In ...

TreeSisters and reforestation

By Wednesday, July 24, 2019 No tags 0

In March 2019 the UN declared a Decade of Ecosystem Restoration and aims to reforests 350 million ha (around 865 million acres) by 2030. The advantages of restored ecosystems are many – slowing down global warming by capturing and storing carbon, increasing rainfall, providing clean water, improving air quality and providing sources of natural capital. It is believed that some eco-system restoration could account for over one-third of the greenhouse gas emissions reduction that are needed to keep global temperature ...

Carmichael coal mine, Queensland, Australia

By Monday, July 22, 2019 No tags 0

The development of the Carmichael coal mine in the Galilee Basin, Queensland, Australia was given the go ahead by the Queensland government in June this year. The mine is controversial for many reasons. First, it is on land that was home to an indigenous Aboriginal population, who have been forced off their land. Second, the Galilee Basin is one of the world’s largest untapped supplies of thermal coal (the type used in power stations). Burning it will release vast amounts ...

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