Syndicate content

Climate Change

Forest fires: need for rethinking management strategies

Dr. H. S. Suresh's picture

Earth’s landscape has been subjected to both natural and anthropogenic fires for millions of years.

Natural, lightning-caused fires are known to have occurred in geological time continuously at least since the late Silurian epoch, 400 million years ago, and have shaped the evolution of plant communities.

Hominids have used controlled fire as a tool to transform the landscape since about 700,000 years ago. These hominids were Homo erectus, ancestors of modern humans. Paleofire scientists, biogeographers and anthropologists all agree that hominid use of fire for various purposes has extensively transformed the vegetation of Earth over this period.
 

Dry season ground fire in Mudumalai.  Photo Credit: Dr. H. S. Suresh

The nature of Earth’s modern-day biomes would be substantially different if there had been no fires at all. William Bond and colleagues (2005) used a Dynamic Global Vegetation Model to simulate the area under closed forest with and without fire. They estimated that in the absence of fire, the area of closed forest would double from the present 27% to 56% of present vegetated area, with corresponding increase in biomass and carbon stocks. This would be at the expense of C4 grasslands and certain types of shrub-land in cooler climates.

Working together to understand climate change risks in Fiji

Katherine Baker's picture



People read about climate change every day and we are all familiar with it as a concept.  While we understand that steps need to be taken to address the risks; its impact often feels harder to imagine. We assume that the impacts are something we will experience in the future. 

But in the Pacific, the impacts are already being felt by communities. This came across clearly in our work on the Climate Vulnerability Assessment – Making Fiji Climate Resilient report, which the Fijian Government produced with the support of our team and the Global Facility for Disaster Reduction and Recovery (GFDRR), and which was launched at COP23.

Promoting nationally aligned climate action in Latin American cities

Min Jung Kwon's picture
Urban populations are booming, and the choices that local governments make today about managing their greenhouse gas (GHG) emissions directly impact the long-term health and economic well-being of their cities. Climate action at the local level is critical; however, most cities in low and middle-income countries have yet to integrate low carbon strategies into their planning process.

Climate-smart agriculture is “common-sense agriculture”

Martien van Nieuwkoop's picture
 Neil Palmer / CIAT
Climate-smart agriculture profiles for Bhutan, Pakistan and Nepal provide an important step forward in creating a sustainable food system in South Asia. Photo: Neil Palmer / CIAT


According to a recent study published in Science Advances, climate change is projected to hit South Asia especially hard.
 
Impacts will be particularly intense in the food and agriculture sector. A region inhabited by about one-fifth of the world’s people, South Asia and its densely populated agricultural areas face unique and severe natural hazards. Its food system is particularly vulnerable. Climate-smart agriculture (CSA)-- which is an integrated approach to managing landscapes that is focused on increasing agricultural productivity, improving resilience to climate change, and reducing agricultural greenhouse gas emissions—is part of the solution.
 
The World Bank is working to mainstream climate smart agriculture in South Asia with a series of Climate-Smart Agriculture or “CSA” Country Profiles for Bhutan, Nepal and Pakistan, that were launched recently in collaboration with Governments and relevant stakeholders. The findings in the profiles are specific to national contexts, but there is a common thread.  We learned that for South Asia, climate change adaptation and mitigation pose major challenges and opportunities for agriculture sector investment and growth.  
 
The farmers, Government representatives and other stakeholders I met during the CSA Country Profile launches expressed huge interest in learning how they can put CSA into practice.  Farmers especially were interested in making CSA part of their daily farming routines.  As interest grows, so does momentum to take the CSA agenda forward, from research institutions and high level gatherings into farmer’s fields. As one farmer I met in Pakistan said, “Climate-smart agriculture is Common-sense agriculture.
 
Pakistan
 
Climate change is already impacting Pakistan, which often experiences periods of severe droughts, followed by devastating floods. In the aftermath of the 2010 floods, one fifth of the country’s land area was submerged, damaging the economy, infrastructure and livelihoods, and leaving 90 million people without proper access to food. Moving forward, changes in monsoons and increased temperatures will further challenge the agricultural sector, particularly northern Pakistan where vulnerability to climate change is already high.
 
At the same time, CSA offers attractive opportunities for strengthening Pakistan’s agricultural sector. Innovative, technological practices like laser land leveling and solar powered irrigation systems and management changes like crop diversification, proper cropping patterns and optimized planting dates could put Pakistan’s food system onto a more climate-smart path. Investments in research to develop high-yielding, heat-resistant, drought-tolerant, and pest-resistant crop varieties as well as livestock breeds could also make a difference.

Let’s make a deal for resilient cities

Carina Lakovits's picture
Photo credit: humphery / Shutterstock.com
JIANGXI CHINA-July 1, 2017: In Eastern China, Jiujiang was hit by heavy rain, and many urban areas were flooded. The vehicles were flooded, and the citizens risked their passage on flooded roads.
Photo credit: humphery / Shutterstock.com
For the first time in history, more people live in cities than in rural areas. Although cities hold the promise of a better future, the reality is that many cities cannot live up to expectations. Too often, cities lack the resources to provide even the most basic services to their inhabitants, and cities all over the world fail to protect their people effectively against the onslaught of natural disasters or climate change.

Much of this has to do with the lack of adequate infrastructure that can defend against the impacts of floods, sea level rise, landslides or earthquakes. Most cities need better flood defenses, better constructed houses, and better land use planning. But even when cities know what it takes to become more resilient, most often they do not have access to the necessary funding to realize this vision.

It is estimated that worldwide, investments of more than $4 trillion per year in urban infrastructure will be needed merely to keep pace with expected economic growth, and an additional $1 trillion will be needed to make this urban infrastructure climate resilient.  It is clear that the public sector alone, including development finance institutions like the World Bank, will not be able to generate these amounts—not by a long stretch.

Chart: 16 of the 17 Warmest Years on Record Occurred Since 2001

Tariq Khokhar's picture

Sixteen of the 17 warmest years in the 136-year record have occurred since 2001. The year 2016 ranks as the warmest on record. Recent analysis finds that climate change could push more than 100 million more people into poverty by 2030. But good development—­rapid, inclusive, and climate informed—­can prevent most of the impacts of climate change on extreme poverty by 2030.

 

Chart: CO2 Emissions are Unprecedented

Tariq Khokhar's picture

Global emissions of carbon dioxide, a major greenhouse gas and driver of climate change, increased from 22.4 billion metric tons in 1990 to 35.8 billion in 2013, a rise of 60 percent. The increase in emissions of CO2 and other greenhouse gases has contributed to a rise of about 0.8 degrees Celsius in the mean global temperature above pre-industrial times. Read more in the 2017 Atlas of Sustainable Development Goals
 

Mexico’s National Forest Fire Management Program

Alfredo Nolasco Morales's picture

On November 1-3, India’s Ministry of Environment, Forest and Climate Change (MoEFCC) and the World Bank organized a workshop in Delhi to discuss forest fire prevention and management.  The workshop brought together fire experts and practitioners from eight countries along with Indian government officials from the ministry and the state forest departments, as well as representatives from academia and civil society.  One of the participating countries, Mexico, has recently transformed its national policy on forest fires. Alfredo Nolasco Morales, Wildland Fire Protection Manager at Mexico’s National Forestry Commission (CONAFOR) shared his insights on what this transformation has meant for Mexico, how it was achieved, and how it may serve as an inspiration for India as the Indian government prepares a new national action plan for forest fires.
 
Mexico’s forest fire program has operated for more than 70 years. On average, 7,500 fires occur each year, affecting 300,000 hectares of pasture, scrubland, forest, and regrowth. Recently, however, the country has experienced some especially bad years, including in 2017, when fires burned 715,714 hectares and killed 12 people. Extreme climatic conditions and the accumulation of fuels such as dry leaves, twigs, grasses, dead trees, and fallen timber have contributed to especially severe fire seasons.



Until 2012, Mexico’s national forest fire program focused on the complete suppression of fires by contracting helicopters to douse the flames. State forest fire programs were weak and there was little institutional coordination.

When cyclones strike: Using mangroves to protect coastal areas

Susmita Dasgupta's picture

Massive flooding from storm surges is a major threat to lives and property in low-lying coastal areas during cyclones. Recent examples of devastating cyclone-induced storm surges include Haiyan 2013 (5.2m or 17 feet), Aila 2009 (4m/13ft), Ike 2008 (4.5m-6m/15-20 feet), Nargis 2008 (more than 3m/10ft), Sidr 2007 (4m /13ft), Katrina 2005 (7.6m-8.5m/25-28 feet). The impacts are particularly disastrous when storm surges strike densely populated coastal areas.

Fighting climate change with green infrastructure

Michael Wilkins's picture

Also available in 中文 | Français | Español


Image: chombosan / Shutterstock

According to NASA, 16 of the 17 warmest years on record have occurred since 2001. So—with climate change high on the global agenda—almost every nation signed the 2015 Paris Agreement, the primary goal of which is to limit the rise in global temperatures to below 2°C above pre-industrial levels. However, with the acute effects of global warming already being felt, further resilience against climate change is needed.
 
To meet both mitigation and adaptation objectives, “green infrastructure” can help.


Pages