Monday, February 12, 2018

Coir geotextiles stabilised slope monitoring

Coir Products are a natural and biodegradable solution that are extensively employed to combat a variety of environmental challenges.  Coir geo-textiles offer a number of benefits over synthetic geo-textiles. In addition to being 100% bio-degradable and environmentally friendly, they::

  • Adding  organic material to soil
  • Promotes vegetative growth
  • Tough, durable, versatile and resilient
  •  High tear-strength resistance
  • Easy to install / maintain / patch-up.
  • Follows the contour of the soil surface.
  • Have hygroscopic properties
An array of academic studies have shown the practical benefits of coir geotextiles when employed for civil engineering programs and slope stabilization programs. These products are able to provide a natural support system until vegetation is able to take root.

Customers for coir netting such as civil engineers, environmental engineers and contractors will find these studies on coir geotextiles in slope stabilisation interesting:

that there is a substantial improvement in the parameters like organic carbon, soil water content, soil moisture retention and vegetative growth. It maybe concluded that this technology can be applied for the eco-restoration of the stretches of degraded wastelands in terms of land, water and bio biomass management.

Other studies have arrived at similar conclusions:

The test proved successful in preventing erosion while at the same time facilitating crop yield. Soil moisture retention and productivity prove to be higher on the treated slope.

The conclusions in this study, “The protective and attractive covering of a vegetated embankment using coir geotextiles”, are particularly noteworthy

Field experiments, involving a local community in Kerala, have clearly demonstrated the effectiveness of coir geotextiles to stabilize banks of hydraulic structures and particularly the steeply sloping banks of a pond. The community was very enthusiastic about the effectiveness of the coir, particularly in combination with a local grass variety. The coir with grass appeared to be the most effective to prevent erosion, to retain moisture and nutrients and to facilitate grass growth. Moreover the slope with grass was productive in providing fodder. The degradation of the natural fibres over time did not result in any loss of effectiveness. On the contrary: the fibre contributed to the natural fertility of the soil after the vegetation cover was well established and the geotextile was no longer needed for bank stability. The relative cheapness of the material and the potential for producing and laying the matting with local labour makes the use of coir geotextiles a very attractive option for sustainable development scenarios in watershed management.

Selection of netting
With the effectiveness of  coir geotextiles in slope stabilisation established, what type of coir products are best deployed for this purpose? CoirGreen has a variety of products that can meet the requirements of clients such as civil engineers, environmental engineers and contractors. These are include:

  • CGgeo ™400gsm Coir geotextiles ( coir netting)
  • CGgeo ™700gsm Coir geotextiles ( coir netting)
  • CGgeo ™900gsm Coir geotextiles ( coir netting)
A higher density of netting results in a tighter mesh with less open area and the most appropriate type of netting is based on their application:
  • Higher density netting is most suitable for slopes where there is a minimal amount of vegetation.
  • Lighter density of coir netting is ideal for erosion control areas with vegetation
At CoirGreen, using the knowledge gain from a number of successful implementations, we are more than happy to help our clients select the optimum type of netting for their requirements. Contact us now to find out more!

Thursday, January 5, 2017

What does 2017 hold for our environment?

The dawn of a New Year always brings with it new promises. Yet, what does 2017 hold for our environment? How would climate change impact agriculture and farming, water management, and food consumption? What are the key trends and issues that will dominate global discussions? We’ve pulled together several articles that provide some answers to these questions.

Can cooler temperatures be expected?
Looking back at 2016, this Guardian article highlights the negative impacts of the end of El Nino that resulted in droughts, high temperatures and food shortages in much of Africa, Latin America and south-east Asia. Later in the year, however, La Nina conditions were reported, and a weak La Nina can be expected in 2017. A natural cooling of Pacific Ocean waters, this can bring average rainfall and cooler temperatures across much of the globe. However, these conditions can fade away early in the New Year. Forecasters in Washington have said that while “ocean temperatures need to drop by an average of half a degree for at least six months”, it is probable that this may not happen. Farmers, especially in countries in Latin America, will be adversely impacted by these changing conditions as they compete for international markets.

More worries for farmers?
In Australia, water will be a key issue when it comes to agriculture, with discussions on water reforms entering a crucial phase. But, this is not the only concern. Rising power costs and rising temperatures are resulting in challenges for farmers. Trade and investment is high on the agenda, with 2017 being the deadline for a free-trade agreement with Indonesia, and agriculture commodities is expected to be a key point in these negotiations.

Water conservation as a key trend?
Speaking of water, Ford has predicted water conservation to be a key trend in 2017. This article captures efforts by large corporations to address challenges in climate change, health, and labour, among others. The corporations gathered agreed to “support meaningful carbon pricing, help smallholder farmers, reduce food waste by half, and set ambitious water-management goals”.

The need for more data on food consumption and inequality
In this interview, Mark Watts, the Executive Director of C40, draws attention to issues of food consumption and inequality as influencing climate politics in the coming year. Watts highlights the need to rethink urban food issues, noting that food consumption will be a critical challenge in the near future. Yet, closely linked to this is the need to tackle inequality. He highlights the need to look deeper at the linkages between inequality and climate change, for example, the need for more “analysis and data on the economic and social benefits of actions taken largely to achieve a climate outcome”.

How will political developments shape climate discussions?
This article highlights some of key political and policy developments that will shape 2017, including the changes in government in Washington, and larger discussions around Brexit. With Germany, the US, Mexico, and Canada having begun to look at a future without fossil fuels, the G7 aims to look at these transition plans. Importantly, 2017 will also see greater discussions around the Paris Agreement. Further, the new UN Secretary General taking office this year, has characterised climate action as ‘unstoppable’. It would be crucial to see how these changes will impact climate decisions at policy level, and how they will be translated at the local level.

Wednesday, December 21, 2016

Secret Santa with a twist!

We’ve had a great 2016 at CoirGreen, and we’re wrapping up the year by playing Secret Santa with a twist!

In our last blog post, we spoke about why it is important to speak up for a safe and healthy environment. As environmental issues continue to come to the forefront of global discussions, we are often reminded of the need to be aware of how our actions can either harm or protect the planet we live in. 

At CoirGreen, we believe education is key, and this December, we are asking each Secret Santa to leave a piece of information on how we can change our everyday actions to help protect the environment. 

We’ve asked everyone to be creative in what they say and how they say it. We’ll be sharing our messages with each other just before Christmas. What’s more is that we’re hoping to share these messages with our family and friends. Don’t worry, we wouldn’t leave you in the dark. We’ll post some of these great messages here too! Better yet, why not join us with your own Environment Secret Santa? Don’t forget to let us know how that goes.   

Friday, December 9, 2016

On #HumanRightsDay, stand up for the right to a clean and healthy environment

In marking World Human Rights Day this year, which falls on 10th December, the United Nations is calling on everyone to stand up for someone else’s rights. Such a call is indeed apt. Worldover, devastating conflicts are forcing people to leave their homes, denying many of their basic human rights, while issues such as violence against women and children, and violence against minorities, have become serious human rights concerns. Yet, there is another pressing human rights issue that is fast taking centre stage. What about the right of every individual to a safe, clean, healthy, and sustainable environment?

A safe and healthy environment is essential to fully enjoy a wide range of human rights, including the right to life, health, food, water, and sanitation. Environment degradation continues to impact human health and wellbeing, threatening the rights, freedoms and dignity of millions of people across the world. Did you know that more than 2 million deaths worldwideare as a result of environmental pollution?

Key progresses were made this year in accelerating efforts towards helping people realise their rights to a healthy environment. Significant among them was the adoption of the new development agenda, Transforming our world: the 2030 Agenda for Sustainable Development. The agenda urges states to make firm commitments to end poverty and hunger, in all their forms and dimensions, and to ensure that all human beings can fulfil their potential in dignity and equality and in a healthy environment”,, thus drawing a close link between the environment and the enjoyment of human rights. According to the United Nations, many states have also now begun to incorporate the right to a healthy environment in their constitutions. Last month, the landmark Paris agreement on climate change entered into force, marking a significant commitment by world leaders to limit the rise in global temperatures. Under the agreement, all countries have an obligation to keep global warming levels below 2C that scientists have regarded as a safe limit, beyond which, climate change can have catastrophic consequences on people and the planet.

Amidst such efforts by governments, Andrew Norton, the Director of the International Institute for Environment and Development, has called on the need to hear from the people who will be the hardest hit, highlighting the urgent need to reach the poorest and the most vulnerable. Therefore, this Human Rights Day, why not join CoirGreen™ in stepping forward to speak up for someone for their right to a safe, clean, healthy, and sustainable environment?