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Climate change: US announces new greenhouse gas commitments


Washington: Citing talks with India, China and Brazil to reduce the use and emissions of greenhouse gases known as hydrofluorocarbons (HFCs), the White House announced a suite of new private-sector commitments and executive actions related to climate change.

Announcing the new commitments ahead of the Nov 1-5 Meeting of the Parties to the Montreal Protocol in Dubai, the White House said Thursday, “President Obama believes that no challenge poses a greater threat to future generations than climate change.”

“His Administration is committed to taking responsible steps to ensure that we leave our children a planet that is not polluted or damaged,” it said.

The White House Thursday also recognized the robust progress that has been made against the private-sector commitments and executive actions that were announced in Sep 2014 to address HFCs.

The US has been working to negotiate an amendment to the Montreal Protocol to phase down the production and consumption of HFCs globally, it said.

“Our bilateral announcements with China, India, Brazil, and others recognize the need to advance progress on managing HFCs through the Montreal Protocol,” the White House said.

“With strong international action on HFCs, up to 0.5°C of warming could be avoided by the end of the century, substantially furthering our goal to limit global temperature rise,” it said.

The Alliance for Responsible Atmospheric Policy made commitments in Sep 2014 to take actions to support a Montreal Protocol amendment to phase down the production and consumption of HFCs and also to take actions and support policies with a goal to reduce the global HFC greenhouse gas contribution by 80 percent by 2050.

In the past year, the Alliance has taken numerous actions in support of these commitments, the White House said. For example, it participated in the India-US HFC Task Force and other bilateral diplomatic efforts, including that with China.

Meanwhile, in an address at the Indiana University’s School of Global and International Studies, in Bloomington, Indiana, Secretary of State John Kerry cited the US-China announcement last November regarding their respective greenhouse gas emissions targets.

“It was a dramatic moment of transformation, where China and the United States joined together, and it took away the excuse from less-developed countries,” Kerry said.

“And the symbolic breakthrough of this coordination was bigger than many of us maybe even anticipated,” he added.

“Since then, every major economy in the world and 150 nations have come forward with their own set of targets or, in the case of India, unveiled a plan to make massive new investments in alternative energy,” Kerry said.

“In just two months, representatives from around the world will gather in Paris to approve what I hope will be by far the most ambitious agreement on global climate ever reached.” he said. “And hopefully, it will send a signal to the marketplace.”

(Arun Kumar, IANS)

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Pentavalent vaccine: Doctors raise red flag

In spite of the data presented in this paper from a large cohort, the authors point out that the evidence is merely circumstantial and not conclusive

the new Hepatitis B vaccine for adults is called Heplisav-B.
India's PV to be reexamined because of its harmful effects. .
  • Pentavalent vaccine was introduced in India six years ago
  • It is since then have been a cause of many deaths
  • Doctors want it to be reexamined before continuing its use

Pentavalent vaccine (PV), that was introduced by India a little over six years ago, doubled the deaths of children soon after vaccination compared to the DPT (Diphtheria-Pertussis-Tetanus) vaccine, according to a new study that calls for a “rigorous review of the deaths following vaccination with PV”.

Health officials have launched a campaign targeting nearly 24 million people with a one-fifth dose of the vaccine. Wikimedia Commons
PV has been cause of many deaths in past years. Wikimedia Commons

Government records show that there were 10,612 deaths following vaccination (both PV and DPT) in the last 10 years. There was a huge increase in these numbers in 2017, which the Health Ministry has promised to study. “The present analysis could be a starting point in the quest to reduce the numbers of such deaths,” authors of the new study say.

The study by Dr Jacob Puliyel, Head of Pediatrics at St Stephens Hospital, and Dr V. Sreenivas, Professor of Biostatistics at the All-India Institute of Medical Sciences (AIIMS), both in New Delhi, is published in the peer-reviewed Medical Journal of Dr D.Y. Patil University.

PV is a combination of the DPT vaccine and two more vaccines against Haemophilus influenza type B (Hib) and hepatitis B. Starting December 2011, PV was introduced into India’s immunisation programme to replace DPT vaccine in a staged manner with a view to adding protection against Hib and Hepatitis B without increasing the number of injections given to infants.

Doctors have raised concerns over these vaccines. Wikimedia Commons
Doctors have raised concerns over these vaccines. Wikimedia Commons

But sporadic reports of unexplained deaths following immunisation with PV had been a matter of concern. Puliyel, Sreenivas and their colleagues undertook the study to find out if these deaths were merely coincidental or vaccine-induced.

The authors obtained data of all deaths reported from April 2012 to May 2016 under the Right to Information Act. Data on deaths within 72 hours of administering DPT and PV from different states were used.

For their study, the authors assumed that all deaths within 72 hours of receiving DPT are natural deaths. Using this figure as the baseline, they presumed that any increase in the number of deaths above this baseline among children receiving PV must be caused by this vaccine.

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According to their analysis of the data provided by the government, there were 237 deaths within 72 hours of administering the Pentavalent vaccine — twice the death rate among infants who received DPT vaccine.

Extrapolating the data, the authors have estimated that vaccination of 26 million children each year in India would result in 122 additional deaths within 72 hours, due to the switch from DPT to PV.

“There is likely to be 7,020 to 8,190 deaths from PV each year if data from states with the better reporting, namely Manipur and Chandigarh, are projected nationwide,” their report says.

It is important to make sure that these vaccines are reexamined peroperly. VOA

The authors note that while the study looks at the short-term increase in deaths (within three days of vaccination) it does not calculate the potential benefits of PV on infant mortality, for example by protection against lethal diseases like Haemophilus influenza.

In spite of the data presented in this paper from a large cohort, the authors point out that the evidence is merely circumstantial and not conclusive. “These findings of differential death rates between DPT and PV do call for further rigorous prospective population-based investigations,” the study concludes. IANS